Table of Contents 1.0 INTRODUCTION ........................................................................................ 1 1.1 DESCRIPTION OF THE MACHINE ........................................................ 2 1.2 ILLUSTRATION OF THE MACHINE ....................................................... 2 1.3 MACHINE SERIAL NUMBER ................................................................. 3 2.0 SAFETY ..............................................................................................
.2.2 Operating the Conveyor.................................................................. 22 4.2.3 Conveyor Position for Unloading Air Tank ...................................... 22 4.2.4 Conveyor Transport Position .......................................................... 23 4.3 Bag Lift .................................................................................................. 24 4.4 CASE DRAIN LINES ............................................................................. 25 4.
8.3 SOFT KEY MENUS .............................................................................. 47 8.3.1 STATUS MENU .............................................................................. 48 8.3.2 CONTRAST MENU ........................................................................ 48 8.3.3 VERSION MENU ............................................................................ 48 8.3.4 ITEM MENU ................................................................................... 49 8.
1.0 INTRODUCTION Congratulations on your choice of a Seed Hawk tank to complement your farming operation. This implement has been designed and manufactured to meet the agricultural industry’s need for precise direct seeding. All persons authorized to operate this implement should read and understand the contents of this Operator’s Manual, especially the Safety section. The owner or operator should seek assistance from the dealer, distributor or Seed Hawk Inc.
1.1 DESCRIPTION OF THE MACHINE The Seed Hawk tank is a single axle tank which is available as a tow between or a tow behind except the 800 tank which is only available in the tow behind configuration. The 400 tank is a 400 bushel, two compartment tank with a 60/40 split. The 500, 600 and 800 bushel tanks have three compartments and a standard two fan configuration.
1.3 MACHINE SERIAL NUMBER The serial number plate, as seen in Figure 2, is located on the cradle near the front of the tank, Figure 3. Record the tank model and serial number in the spaces provided below. Use these numbers when contacting the dealer for repair parts, warranty or service assistance.
2.0 SAFETY 2.1 SAFETY ALERT SYMBOL The Safety Alert Symbol is intended to capture the attention of the machine operator of important safety information both published in the Operator’s Manual and applied to the machine. Any time a Safety Alert Symbol is seen, it means that associated information is provided for recognizing, appropriately responding to and avoiding potentially hazardous situations. An equilateral triangle surrounding an exclamation point indicates a potential hazardous situation.
2.2 OPERATOR RESPONSIBILITY Remember, YOU, the operator, are responsible for the safe operation, adjustment, maintenance and repair of this machine. It is the responsibility of the owner, or authorized person in charge, to ensure all persons who operate, adjust, maintain and/or repair this implement be familiar with the information provided in this operator’s manual before performing any of the tasks listed above. A safe operator is the key to safety.
2.3 GENERAL SAFETY PRACTICES • Read and understand the contents of this Operator’s Manual prior to operating, adjusting, maintaining and/or repairing the implement. • Locate, read and understand all safety signs applied to the implement before performing any tasks. • Review the contents of this Operator’s Manual at least annually, and, any time a new person is assigned to perform any task with the implement.
2.4 MAINTENANCE SAFETY • Read and understand all information provided in this Operator’s Manual covering operation, adjustment, maintenance and repair prior to performing any of these tasks. • Plan work to ensure proper tools, equipment and personal protective equipment is available prior to working on implement. • Wear appropriate clothing when performing tasks around the implement. Illfitting and/or frayed clothing as well as loose or dangling items should not be worn when working near the implement.
2.5 HYDRAULIC SAFETY • Ensure that all hydraulic system components are kept clean and in proper working condition. • Periodically inspect condition of hydraulic hoses, lines and components and remove and replace any parts showing damage or deterioration. • Use only repair or replacement parts specified by the manufacturer. • Make repairs following instructions provided by the manufacturer.
2.6 TRANSPORT SAFETY • Ensure that drill or tank is attached to tractor properly. • Ensure drawbar hitch pin retainer is in place and functioning properly. • Ensure safety tow chain is securely attached. • Ensure all lighting and implement marking devices are intact and visible. • Ensure implement is properly marked according to local road regulations. • Read all local road traffic regulations. • Do not exceed 32 km/h (20 mi/hr). • NOT RECOMMENDED TO TRANSPORT WHILE LOADED. 2.
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2.9.1 Applied Safety Signs CAUTION! Read Operator’s Manual before operating machine. Read all instructions before operating machine. DANGER! MOVING PART HAZARD. Keep away. Moving parts can crush and dismember. DO NOT operate without guards and shields in place. Disconnect and lockout power source before adjusting and servicing. DANGER! MOVING PART HAZARD. Rotating spinners. DO NOT service or make adjustments without first: • Stopping power source.
DANGER! ENTANGLEMENT HAZARD. Keep hands, feet, and clothing away from auger intake. 2.9.2 Safety Sign Information • All safety signs applied to the implement must be visible and legible. Keep dust and dirt cleared from safety signs and ensure that visibility is not obscured. • Replacement safety signs may be ordered through your dealer or distributor. Contact Seed Hawk Inc. if you are unable to obtain replacement safety signs from a dealer or distributor.
2.10 EYE WASH STATION An emergency eye wash station is located on the back of liquid fertilizer tank as seen in Figure 4.
3.0 SPECIFICATIONS 3.1 HARDWARE TORQUE 3.1.1 SAE Bolt Diameter inches 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 Bolt Torque SAE 5 N·m (lb-ft) 12 (9) 25 (19) 45 (33) 72 (53) 110 (80) 155 (115) 215 (160) 390 (290) 570 (420) 850 (630) SAE 8 N·m (lb-ft) 19 (12) 36 (27) 63 (45) 100 (75) 155 (115) 220 (165) 305 (220) 540 (400) 880 (650) 1320 (970) 3.1.2 Metric Bolt Diameter Bolt Torque 8.8 N·m (lb-ft) 0.5 (0.4) 3 (2.
3.2 TIRE PRESSURE Use the following chart to check and adjust, if necessary, tire pressure. Tire Size 480 x 400 x 8 11 L 15 12.5 L 15 19.0 / 45 x 17 500 / 45 x 22.5 30.5 L 32 SAT (Single) 30.5 L 32 SAT (Inner Dual) 30.
4.0 OPERATION 4.1 FILL AUGER Figure 5: 10 inch Fill Auger DANGER! Use extreme caution when moving the auger, especially near power lines. It is not necessary to come into direct contact with an overhead power line for electrocution to occur. Serious injury or death will result WARNING! Keep arms, hands and legs away from auger intake. Wear appropriate fitting clothing when working in the vicinity of an auger. Keep all guards and shield in place and inspect to ensure they are properly attached and intact.
4.1.1 Positioning the Auger NOTE: Ensure that the area in the vicinity of auger operation is free of obstructions and that all bystanders, especially children, are kept at a safe distance before positioning or operating the auger. 1. Ensure your tractor circuit is engaged in the correct direction prior to engaging the auger diverter valve. If circuit is already engaged direct the fan diverter valve to the fill auger position from the fan location. Figure 6.
4.1.2 Operating the Auger 1. Ensure that all screens and shrouds are in place and that cleanout gate on each meter, is closed, 1 Figure 9. 2. Activate tractor hydraulic circuit #4. 1 3. The handle on the auger tube is to operate the auger flighting in a forward or reverse motion. Figure 9 4.1.3 Auger Position for Unloading Air Tank 1. Using your remote, allow the auger tube to pivot under any of the tank compartments in order to empty them.
4.1.4 Auger Transport Position NOTE: Fill auger should always be secured for transport, no matter how short the distance. Clean out auger prior to transport or storage. 1. Position the auger so that the tube is resting on the locking mechanism at the back of the tank and the discharge spout is hanging freely. 1 Figure 11. 1 2. The locking mechanism must be used when transporting at all times. 1 Figure 12. Figure 11 1 Figure 12 3. Push the auger diverter valve back to the fan position, Figure 13.
4.2 FILL CONVEYOR Figure 14: 500 Aircart with Fill Conveyor DANGER! Use extreme caution when moving the conveyor, especially near power lines. It is not necessary to come into direct contact with an overhead power line for electrocution to occur. Serious injury or death will result WARNING! Keep arms, hands and legs away from conveyor intake. Wear appropriate fitting clothing when working in the vicinity of a conveyor.
4.2.1 Positioning the Conveyor NOTE: Ensure that the area in the vicinity of conveyor operation is free of obstructions and that all bystanders, especially children, are kept at a safe distance before positioning or operating the conveyor. 1. Ensure your tractor circuit is engaged in the correct direction prior to engaging the conveyor diverter valve. If circuit is already engaged, direct the fan diverter valve to the conveyor position from the fan location,.
4.2.2 Operating the Conveyor 1. Ensure that all screens and shrouds are in place and that cleanout gate on each meter is closed, Figure 18. 2. Activate tractor hydraulic circuit #4. Figure 18 3. Use either of the buttons located at the top and bottom of the conveyor to start and stop the conveyor, Figure 19. Figure 19 4.2.3 Conveyor Position for Unloading Air Tank 1.
4.2.4 Conveyor Transport Position NOTE: Fill conveyor should always be secured for transport, no matter how short the distance. Clean out conveyor prior to transport or storage. 1. Arrange the conveyor so that the upper rest is positioned on the conveyor mount at the front of the tank, Figure 21. Figure 21 2. Raise the locking mechanism at the rear of the tank, Figure 22. The handle can be rotated towards the tank for transport.
4.3 Bag Lift If equipped, the optional bag lift can be used for transporting bagged agricultural product from the ground to the top of the air cart. The bag lift has a maximum capacity of 550 lbs or ten bags of canola (50lb bags). The bag lift runs off the same hydraulic circuit as the auger or conveyor. To operate the bag lift the diverter valve must be switched to the auger or conveyor setting.
4.4 CASE DRAIN LINES You must also connect the case drain lines (two 1/2” hoses, one with a yellow band) to return hydraulic fluid back to the tractor reservoir. One case drain line is a 1/2” (13 mm) line from the fan. The other case drain line is a 1/2” (13 mm) line from the hydraulic manifold. The case drain line(s) MUST return to the tractor UNRESTRICTED. Failure to do so can cause damage to the hydraulic cylinders or fan motor and will void manufacturer’s warranty. Seed Hawk Inc.
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4.6 METERING ROLLER The metering roller, Figure 26, is provided in each compartment. There are four different roller section types: canola, helical, straight fluted (bean) and chick pea. The helical roller section is designed to accommodate all products for seeding small oil seeds, all cereals, as well as granular fertilizer. The straight fluted (bean) roller is used for large pulses as well as granular fertilizer.
4.7 SEED HAWK® PRESSURIZED METERING SYSTEM Figure 28: Pressurized Meters With the Seed Hawk® pressurized metering system product can be diverted to either air stream, Figure 28. This produces the ability to maximize tank compartment capacities and the capacity to blend product. To change the air stream that a meter will deliver product to, adjust the diverter valve on the side of each meter body, Figure 29.
4.8 FAN(S) Connect the pair of 3/4” hydraulic lines (Fan one has a blue band, fan two has a red band) to supply the hydraulically driven fan motor. This tractor lever is locked in full pressure position while seeding. Some models are configured with a single fan while others may be configured with dual fans. Fans are driven by hydraulic motors with speed controlled by the tractor hydraulic flow system. Fan speed is indicated on the monitor panel in the cab. Set fan speed to effectively transport the seed.
Figure 30: Single Fan Air Damper NOTE: In the case of a single fan configuration used to double-shoot product, follow the above procedure and adjust the position of the air damper, Figure 30, to set an effective air flow for each product. NOTE: DO NOT set fan speed above 5000 rev/min. Excessive fan speed will damage the fan drive motor and requires more power from the tractor hydraulic system.
4.10 GROUND DRIVE METERING The ground drive metering system is engaged by activating an electric clutch, Figure 31. A switch on the control panel in the cab toggles “ON” and “OFF” and a lamp in the switch indicates when the switch is toggled “ON”. Figure 31: Clutch Assembly NOTE: Disengage ground drive (Figure 32) when transporting. Clutch damage may occur if drive line is not disengaged when travelling.
5.0 LIQUID SYSTEM OPERATION 5.1 SEED HAWK LIQUID FERTILIZER SYSTEM Tank Recirculation Valve Fill Valve Flow Valve Recirculation Cap Fill Cap Main Filter Filter Valve Metering Pump Dual Liquid Manifold Pressure Gauge Distribution Manifolds Pressure Gauge Delivery Hoses 5.2 SYSTEM FLOW DESCRIPTION The metering pump, ground driven by the metering wheel, draws liquid fertilizer first through the flow valve, then the main filter. The liquid fertilizer is then pumped to the distribution system.
5.3 FILLING THE LIQUID FERTILIZER TANK To fill the liquid fertilizer tank: 1. Remove fill cap, 1 Figure 33, and attach fill hose from liquid fertilizer supply source to the quick coupler. 3 2 2. Ensure that main valve, 2 Figure 33, is in the closed position. 3. Open fill valve, 3 Figure 33 and begin filling tank by starting fill pump. 1 4. When tank is near full, shut off fill pump and close fill valve, 3 Figure 33. Figure 33 5.4 LIQUID FERTILIZER APPLICATION RATE 1.
5.5 CHECKING FERTILIZER RUNS Perform the following test to ensure that each fertilizer run is functioning properly: 1. Ensure that tank is at least partially filled with either water or liquid fertilizer. 2. Lower metering wheel and proceed forward about 20 - 30 ft (6 - 9 m). 3. Stop tractor and look at ground behind each opener to ensure liquid fertilizer is discharged behind each run. 5.
5.7 AGITATE LIQUID FERTILIZER It is recommended that the contents in the liquid fertilizer tank be agitated for a few minutes before seeding if liquid fertilizer in the tank has sat for more than eight hours. NOTE: Phosphate is heavier than other nutrients and will tend to settle to the bottom of the tank. 5.7.1 Liquid Tank Agitation Procedure 1. Open main valve, 1 Figure 35, and close the fill valve, 2 Figure 35. 2. Start fill pump. 3. Run for 2 - 3 minutes and turn off pump. 4. Close valves.
A liquid fill pump, Figure 36, is an option when the liquid onboard tank is ordered and is located at the rear of the liquid tank. Figure 36: Liquid Fill Pump Double orifice liquid kit as seen in Figure 37. One row of orifices are #49’s and the other orifices are #30’s. The grower can open either, or both at any time. The grower should change the orifice selection to maintain system pressure. 30-35 psi is an optimal pressure for this liquid system.
5.8 LIQUID FERTILIZER APPLICATION RATES JOHN BLUE PUMP Perform the following steps to ensure that the liquid fertilizer pump is calibrated properly: 1. Set the pointer, 1 Figure 39, on the metering pump to a setting that corresponds to the desired liquid application rate. 1 2. Before seeding, accurately measure or carefully estimate the amount of liquid in the liquid fertilizer tank and note the beginning area reading on the monitor display. 3. Seed a significantly large area.
5.8.1 Pump Settings 30.5L32 Rear Axle 4450 Model John Blue Pump Gear Ratio Single Piston 3.11 3.11 4.98 4.98 4.98 4.98 4.98 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 Seeder Width 20 22 24 26 28 30 32 36 38 40 42 44 46 48 50 52 54 56 58 60 64 66 84 6.0 6.0 9.0 8.0 7.0 7.0 6.0 8.0 7.0 7.0 7.0 6.0 6.0 6.0 6.0 5.0 5.0 5.0 5.0 5.0 4.0 4.0 4.0 4.0 3.0 9.3 9.0 13.3 12.0 10.7 10.5 9.3 11.9 10.7 10.5 10.3 9.2 9.0 8.9 8.8 7.7 7.6 7.5 7.4 7.3 6.2 6.2 6.1 6.0 4.
5.9 LIQUID PUMP GEAR RATIOS Gearing for Pumps Driven from the Rear Axle 30.5L32 Axle LM-4450 Pump Ratio 3.11 4.98 6.4 Hub to Hex Shaft 56 – 10 56 – 10 56 – 10 Hex Shaft to Pump 10 – 18 16 – 18 16 – 14 Seeder widths (2ft increments) 20 – 22 24 – 26 – 2 8- 30 – 32 34 – 84 inclusive Hex Shaft to Pump 12 – 18 16 – 18 16 – 14 Seeder widths (2ft increments) 36 – 38 – 40 – 42 – 44 – 46 – 48 50 – 52 – 54 – 56 – 58 – 60 62 – 64 – 66 – 84 LM-9055 Pump Ratio 3.73 4.98 6.
Variable rate liquid chart. NOTE: Above charts are for reference only, pressures may vary without affecting the application rate.
6.0 MAINTENANCE 6.
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8.0 LOUP III OPERATION 8.1 INTRODUCTION This Manual will familiarize you with Installation, Calibration, Operation and Technical Information. All aspects are detailed but may not be applicable to your particular system configuration.
8.2 NORMAL STARTUP For everyday operation the monitor will remember all settings that have been saved from the previous use. • Press the power button to begin. Soft Keys Power Button • As the Seed Hawk Logo is displayed, the monitor performs a “self test”. During this self test, the monitor will check that all “learned” sensors are connected. • Once this test is complete, all sensors found by the system are listed as shown in the image below.
8.2.1 NORMAL OPERATE SCREEN Ground Clutch Status Alarm Status Bin Level User Selectable Display Window A Figure 40: Sample of Normal Operate Screen In the Sample Normal Operate Screen above, the different areas are as follows: • The Top Display Section displays 4 Sets of information. 1. Bin Level Status: The levels of up to 3 bin sensors are shown in the left most area. Notice, Bin 1 is full and Bin 2 and 3 are empty. 2.
8.2.2 FUNCTION KEYS Soft Keys Reserved for Future Use Power Escap Enter Activate Clutch Key (ACK) Selector Knob and Toggle Navigation Keys Function Key Descriptions • Power: When the monitor is off, pressing the Power Key will turn the monitor on. When the monitor is on, pressing and holding the Power Key for 5 seconds will turn the monitor off. • Escape: Pressing the Escape button while in any menu will exit without making any changes.
8.3 SOFT KEY MENUS NOTE: The Soft Key Menus are timed operations. If too long of a period passes without a keyed entry, the monitor will revert back to its Normal Operate Screen display mode and changes will not be made. From the Main Operate Screen, Press any Soft Key to activate the Soft Key Menu.
8.3.1 STATUS MENU This Soft Key Menu displays the current status state of your system. This menu is beneficial when checking connections and/or communications. This menu is “view only”. Using the Selector Knob or the Navigation Keys allow you to view more information if your system is equipped with more sensor than can be displayed. Pressing the “OK” Soft Key, the Enter Key or the Toggle will allow you to exit the menu. 8.3.
8.3.4 ITEM MENU This Soft Key Menu allows the user to select which information is being displayed in the User Selectable Display Windows. Meter 2 RPM has a highlighted selection box around it. Begin by pressing the Soft Key “Item”. You will notice the screen shows a highlighted selection box. You can navigate to other selection boxes by using the Navigation Keys or the Selector Knob. Once you have your choice highlighted, simply press the Enter Key or Toggle to bring up the viewable selections menu.
8.3.5 LAYOUT MENU This Soft Key Menu allows the user to define the User Selectable Display Window Layout. Highlight your desired Layout Option using the Selector Knob or Navigation Keys. Finalize your selection by pressing the Toggle or Enter Key. Options are as follows: • • • • • 3 Rows X 1 Column 4 Rows X 1 Column 2 Rows X 2 Columns 3 Rows X 2 Columns 4 Rows X 2 Columns 8.3.
8.4.1.1 AUTO DETECT This menu selection auto detects sensors. Refer to Section 8.4.1.2 for further details. 8.4.1.2 LEARN PROCESS PROCEDURE Note: The “Auto Detect” sensor install procedure installs sensors in the sequence listed on the monitor menu screen. If sensors of similar type such as “Ground Speed”, “Meter Speed”, “Pressure”, and “Flow” are to be installed out of sequence they must be individually installed (see Section 8.4.1.3).
16. Refer to Section 8.4.2 to set your implement width. 17. Refer to Section 8.4.4 to calibrate your Ground Speed Sensor. 18. Refer to Section 8.4.5 to calibrate each of the meters installed on your system. 19. System is ready for use. 8.4.1.3 ADD A SENSOR To add a sensor, simply highlight the sensor you would like to install. Note: The sensor that you are trying to install should read “None”. If the highlighted sensor shows OK prior to install, there is already a sensor installed in this position.
8.4.1.4 REMOVE A SENSOR Highlight the sensor you would like to remove and press the Remove Soft Key. A confirmation dialog box will appear to confirm your action. Use the Toggle Button or Enter Key to Press OK and accept the sensor removal selection. The screen will return and the highlighted sensor will show “None”.
8.4.1.5 SENSOR SETTINGS When an installed sensor is highlighted, a Settings Soft Key becomes selectable. To view the settings of a sensor, press the Settings Soft Key. The Sensor Settings Menus show the Sensor Type, Serial #, State, ID and Max Baud Rate and a few other user selectable options as discussed in the following sections. 8.4.1.5.1 GROUND SPEED SETTINGS The Ground Speed Settings menu shows the calibration number.
8.4.1.5.3 FAN SETTINGS Pulses per rev: This is the number of pulses produced by the fan sensor in one revolution. The pulse setting is equal to the number of targets presented to the fan sensor in one revolution. Low RPM Alarm: The Low Alarm Limit is set by the user for low rpm notification. Default is 1500 RPM High RPM Alarm: The High Alarm Limit is set by the user for high rpm notification. Default is 5500 RPM.
8.4.2 GLOBAL SETTINGS Units changes the units of measure that the monitor displays: Imperial = Acres/Feet/Miles per hour & Metric = Hectares/Meters/Kilometers per Hour Width is where you set the size of your drill. Volume will adjust the sound of the audible alarm. Backlight adjusts the brightness of the display Contrast adjusts the contrast of the display. 8.4.3 RESTORE SETTINGS TO DEFAULTS This will restore the system to factory settings.
8.4.4 GROUND SPEED CALIBRATION All new systems require a ground speed calibration to ensure accurate area totals and accurate ground speed readings. Note: During the calibration the monitor is counting the number of pulses produced from the drill mounted sensor. The monitor will display the pulses counted in 400 feet. Procedure: 1. To complete the calibration, measure a course 400 feet long preferably on level ground with a start and finish point. Line up Tractor at the Start Point.
To begin, sufficient seed must be placed in the hopper above the meter to be calibrated to ensure full flow during the calibration procedure. Measure and record the weight of the calibration bucket and place under the meter. The calibration requires meter revolution input and speed input. A separate calibration must be done for each meter. Procedure: Step 1: Having Selected Meter (1, 2 or 3) Calibration, “Target 10.0lb/ac” is displayed. Press the Toggle Button.
Once this step is complete, highlight the “Start Box” using the Selector Knob and use the Enter Key or Toggle to select Start. Continue to Step 2. Step 2: The screen now displays the number of meter revolutions counted with “Continue” highlighted. Turn the meter a number of revolutions while catching the metered material in the catch bin. Stop turning the meter. The number of revolutions is displayed. Press Continue to save the information collected during the calibration procedure.
NOTE: It is recommended that the monitor be powered off and on to ensure that all updated information is saved in the non volatile memory. NOTE: There is a line on this screen that reads “Cal Rate”. This is the application rate that will be applied if the gearbox setting is left at the 100 setting and this value will be reported back by the monitor while planting if the gearbox setting is not reset to the value displayed as the proper setting. NOTE: To verify calibration repeat the above procedure. 8.4.
audible alarm. If this alarm is going off in error, check the high and low alarm point settings by going to the sensor configuration menu, highlighting the sensor in question and pressing the “Settings” soft key.
9.0 SCHEMATICS 9.
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10.0 WARRANTY SEED HAWK INC. LIMITED WARRANTY STATEMENT Seed Hawk’s frame is warranted for five (5) years from date of delivery to original registered owner or 25,000 acres, whichever comes first, against defects in material and workmanship, and to perform according to specifications when such products are properly used and maintained.
Except as set forth above, Seed Hawk Inc. shall have no obligation or liability of any kind on account of any of its equipment and shall not be liable for special or consequential damages. Seed Hawk Inc. makes no other warranty, expressed or implied, and, specifically, Seed Hawk Inc. disclaims any implied warranty or merchantability or fitness for a particular purpose.
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12.0 INDEX A Agitate liquid fertilizer .................... 35 Air and product flow ...................... 29 Applying liquid fertilizer ................. 34 L Liquid fertilizer system ................... 32 Liquid fertilzer application rates ..... 33 Liquid pump gear ratios ................. 39 B Bag Lift.......................................... 24 M Maintenance.................................. 41 Meter calibration............................ 57 C Case drain lines ............................
