CEMENT MIXER - 3.5 CUBIC FOOT ® WITH BRIGGS & STRATTON 3.5 HP ENGINE Model 90178 ASSEMBLY AND OPERATING INSTRUCTIONS ® 3491 Mission Oaks Blvd., Camarillo, CA 93011 Visit our Web site at http://www.harborfreight.com Copyright 2003 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools. For technical questions, please call 1-800-444-3353.
PRODUCT SPECIFICATIONS " ;< !% % ; < ! #$ % & ' ® ( ) ! *+ - +" /-- 5$( " ) 6 - - - : = > + ? ; ) = < : % @ " '! :!! ' ! % $ )% SAVE THIS MANUAL You will need this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning proc
6. Do not overreach. Keep proper footing and balance at all times to prevent tripping, falling, back injury, etcetera. 7. Industrial applications must follow OSHA requirements. 8. Stay alert. Watch what you are doing at all times. Use common sense. Do not use this product when you are tired or distracted from the job at hand. 9. Check for damaged parts. Before using this product, carefully check that it will operate properly and perform its intended function.
3. Keep a safe clearance around the Cement Mixer. Keep all people (except the operator) a minimum of six feet from the Mixer during operation. 4. Keep all guards in place and in proper working condition. 5. Remove adjusting tools, shovels, hand trowels, etc. Make sure all adjusting tools, shovels, hand trowels, and other tools and equipment are removed from the Cement Mixer prior to turning it on. 6.
Dispose of fluids and cleaning materials in accordance with all local, state, or federal codes and regulations. Store oil rags in a covered metal container. 17. Never store fuel or other flammable materials near the Cement Mixer. 18. Do not smoke, or allow sparks, flames, or other sources of ignition around the Engine (part #14) and its fuel tank. Fuel vapors are explosive. 19.
UNPACKING When unpacking, check to make sure all the parts shown on the Parts List on page 18 are included. If any parts are missing or broken, please call Harbor Freight Tools at the number shown on the cover of this manual as soon as possible. ASSEMBLY INSTRUCTIONS NOTE: For additional references to the parts listed in the following pages, refer to the Assembly Diagram on page 19.
WHEEL (#5) FLAT WASHER (#3) PIN (#4) FIGURE B Washers (part #10), two Spring Washers (part #9), and two Nuts (part #8). (See Figure C.) LOWER DRUM (#44) HEX BOLT (#7) FLAT WASHER (#10) SPRING WASHER (#9) NUT (#8) HEX BOLT (#7) FLAT WASHER (#10) SPRING WASHER (#9) NUT (#8) SUPPORT ARM (#31) FIGURE C 4. Align the two mounting holes in the Degree Adjusting Plate (part #37) with the two mounting holes located on the upper right side of the Support Arm (part #31).
HEX HEAD BOLT (#27) FLAT WASHER (#10) NOT SHOWN SPRING WASHER (#9) NOT SHOWN NUT (#8) NOT SHOWN DEGREE ADJUSTING PLATE (#37) DEGREE ADJUSTING ARM (#38) SPRING (#39) BOLT (#40) PIVOT ARM OF DEGREE ADJUSTING PLATE (#37) NUT (#8) DEGREE ADJUSTING ARM (#38) DEGREE ADJUSTING PLATE (#37) SUPPORT ARM (#31) FIGURE D 6. Secure the Degree Adjusting Arm (part #38) to the Pivot Shaft of the Degree Adjusting Plate (part #37), using one Bolt (part #40) and one Nut (part #8). (See Figure D.
7. Align the six mounting holes of the Connector Seal (part #45) with the six mounting holes in the Upper Drum (part #47). Then, glue (not included) the Connector Seal to the Upper Drum. NOTE: Make sure the Connector Seal lays flat on the Upper Drum to ensure a proper seal. (See Figure E.) MOUNTING HOLE UPPER DRUM (#47) CONNECTOR SEAL (#45) FIGURE E 8. Place the Upper Drum (part #47) on the Lower Drum (part #44), making sure the six mounting holes are aligned in both.
Flat Washers (part #10), four Spring Washers (part #9), and four Nuts (part #50) to secure the two Mixing Blades to the inside Drum assembly. (See Figure G.) DRUM ASSEMBLY (#44, #47) MIXING BLADE (#46) MOUNT WITH V-SHAPED BENDS POINTING TO LEFT. FIGURE G 10. Locate the Iron Tube Fixture (part #30) and Shaft (part #35) on the left side of the Cement Mixer. (See Figure H.) IRON TUBE FIXTURE (#30) SHAFT (#35) FIGURE H 11. Insert the Fixing Plate (part #18) onto the Shaft (part #35).
FIXING PLATE (#18) SHAFT (#35) FIGURE I SHAFT (#35) MOUNTING SLOTS INNER COVER (#23) FIGURE J 14. Align the four mounting holes in the Engine Mount Plate (part #12) with the two mounting slots located in the lower portion of the Inner Cover (part #23). Position the Small Fixing Plate (part #51) against the vertical arm of the Stand (part #1). Insert four Bolts (part #13) through the mounting holes, mounting slots, and mounting holes in the Small Fixing Plate.
BOLT (#48) FLAT WASHER (#19) SPRING WASHER (#20) NUT (#50) BOLT (#48) FLAT WASHER (#19) SPRING WASHER (#20) NUT (#50) HEX HEAD BOLT (#27) FLAT WASHER (#19) SPRING WASHER (#20) NUT (#21) HEX HEAD BOLT (#27) FLAT WASHER (#19) SPRING WASHER (#20) NUT (#21) BOLT (#48) FLAT WASHER (#19) SPRING WASHER (#20) NUT (#50) BOLT (#48) FLAT WASHER (#19) SPRING WASHER (#20) NUT (#50) FIGURE K INNER COVER (#23) BOLT (#13) INNER COVER (#23) FIXING PLATE (#18) FLAT WASHER (#10) SPRING WASHER (#9) NUT (#8) SMALL FIXI
16. Unscrew the Thrust Screw (part #17) located in the Large Pulley (part #26). Align the Keyway Slot of the Large Pulley with the Key on the Shaft (part #35). Using a hammer, carefully tap the Large Pulley onto the Shaft. Retighten the Thrust Screw to secure the Large Pulley in place. (See Figure M.) FIGURE M 17. LARGE PULLEY (#26) SHAFT (#35) Loop the V-Belt (part #22) around the Large Pulley (part #26).
18. Align the four mounting holes in the base of the Engine (part #14) with the four mounting slots in the Engine Mount Plate (#12). Insert four Hex Bolts (part #7) downward through the mounting holes and mounting slots. Insert one Flat Washer (part #10) and one Spring Washer (part #9) on each of the four Bolts. Then, finger tighten only one Nut (part #8) onto each of the four Bolts. (See Figure O.) 19. Use a straight edge (chisel, ruler, etc.
INNER COVER (#23) BOLT (#24) FLAT WASHER (#10) SPRING WASHER (#9) NUT (#8) ENGINE COVER (#25) FIGURE P OPERATING INSTRUCTIONS 1. IMPORTANT: ALWAYS make sure the crankcase of the gasoline Engine (part #14) is filled to the proper level with a premium quality, 30-weight, non-detergent engine oil prior to starting the engine. Failure to do so will result in damage to the Engine and void its warranty. Refer to the Engine manufacturer’s instruction manual for further information.
! " # " ! " $ FIGURE Q 8. For best results, proceed as follows: A. Pour the required amount of water into the Drum (parts #44, #47). B. Add the required amount of gravel into the Drum. C. Add the required amount of cement into the Drum. D. Add the required amount of sand into the Drum. 9.
11. After discharging the cement mix, raise the Degree Adjusting Arm (part #38) up to its original position. (See Figure Q.) 12. Repeat Steps #5 through #11 if more cement mix is required. 13. When finished, make sure to thoroughly clean the inside of the Drum (parts #44, #47). (See “Inspection, Maintenance, And Cleaning” Section.) INSPECTION, MAINTENANCE, AND CLEANING 1. WARNING! Never perform any inspection, maintenance, or cleaning procedures on the Cement Mixer while it is running.
PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT.
ASSEMBLY DIAGRAM 51: SMALL FIXING PLATE NOT SHOWN. NOTE: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts.
