Use and Care Manual
Table Of Contents
- PB-755S H/T POWER BLOWER
- Table of Contents
- Introduction
- The Operator’s Manual
- Servicing Information
- Safety
- Read the Manual
- Clear the Work Area
- Keep a Firm Grip
- Keep a Solid Stance
- Avoid Hot Surfaces
- Equipment
- Emission Control
- (Exhaust & Evaporative)
- Description
- 1. SPARK PLUG - Provides spark to ignite fuel mixture.
- 2. SAFETY DECAL - Lists important safety precautions.
- 3. Spark arrestor muffler or spark arrestor muffler with catalyst - The muffler controls exhaust noise and emission. The spark arrestor screen prevents hot, glowing particles of carbon from leaving the muffler. Keep exhaust area clear of flammable de...
- 4. CHOKE - Move lever UP to close choke () (starting position) and for emergency stopping. Move DOWN to open choke () (run position).
- 5. PURGE BULB - Pumping purge bulb before starting engine draws fresh fuel from the fuel tank, purging air from the carburetor. Pump purge bulb until fuel is visible and flows freely in the clear fuel tank return line. Pump purge bulb an additional 4...
- 6. RECOIL STARTER HANDLE - Pull recoil handle slowly until recoil starter engages, then quickly and firmly. When engine starts, return handle slowly. DO NOT let handle snap back or damage to unit will occur.
- 7. FUEL TANK - Contains fuel and fuel filter.
- 8. FUEL TANK CAP - Covers and seals fuel tank.
- 9. AIR CLEANER - Contains replaceable air filter element.
- 10. HANDLE - Rotates downward for throttle control access. Spring loaded for flexible operation.
- 11. BLOWER PIPES - Exclusive positive locking system.
- 12. SHOULDER HARNESS - Used to support unit on operator's back. The straps are adjustable.
- 13. THROTTLE POSITION LEVER/STOP SWITCH - Combination stop switch and variable speed throttle lever. When the lever is moved all the way forward the blower is at Wide Open Throttle (W.O.T.). When the lever is moved rearward to detent, the blower is a...
- 1. SPARK PLUG - Provides spark to ignite fuel mixture.
- 2. SAFETY DECAL - Lists important safety precautions.
- 3. Spark arrestor muffler or spark arrestor muffler with catalyst -The muffler controls exhaust noise and emission. The spark arrestor screen prevents hot, glowing particles of carbon from leaving the muffler. Keep exhaust area clear of flammable debris
- 4. CHOKE - Move lever UP to close choke () (starting position) and for emergency stopping. Move DOWN to open choke () (run position).
- 5. PURGE BULB - Pumping purge bulb before starting engine draws fresh fuel from the fuel tank, purging air from the carburetor. Pump purge bulb until fuel is visible and flows freely in the clear fuel tank return line. Pump purge bulb an additional 4...
- 6. RECOIL STARTER HANDLE - Pull recoil handle slowly until recoil starter engages, then quickly and firmly. When engine starts, return handle slowly. DO NOT let handle snap back or damage to unit will occur.
- 7. FUEL TANK - Contains fuel and fuel filter.
- 8. FUEL TANK CAP - Covers and seals fuel tank.
- 9. AIR CLEANER - Contains replaceable air filter element.
- 10. THROTTLE POSITION LEVER - Pull back to increase engine speed. Friction washers maintain throttle lever setting.
- 11. STOP SWITCH - Slide switch mounted on top of handle. Move forward to run, back to stop.
- 12. HANDLE - Used by operator to direct and control air flow.
- 13. SHOULDER HARNESS - Used to support unit on operator's back. The straps are adjustable.
- 14. THROTTLE TRIGGER - Spring loaded to return to idle when released. During acceleration, press trigger gradually for best operating technique.
- 15. LOCKING KNOB - Allows operator to adjust handle position for optimum comfort and control.
- 16. BLOWER PIPES - Exclusive positive locking system.
- 17. FLEXIBLE PIPE - Allows for full range of movement.
- Contents
- Assembly
- Install Blower Pipes/Stick Handle
- 1. Assemble clamps (A) onto both ends of flexible pipe (B).
- 2. Assemble swivel pipe (C) into flexible pipe (B) and tighten clamp (A).
- 3. Assemble flexible pipe (B) to elbow (D) on blower and tighten clamps (A).
- 4. Loosen wing nut (E) completely and open stick handle clamp.
- 5. Align notches (F) in handle clamp with tabs (G).
- 6. Slide stick handle onto swivel pipe (C). Stick handle (H) should be angled away from operator.
- 7. Position stick handle (H) for comfortable operation. Tighten wing nut (E).
- 8. Assemble straight pipe (K) onto swivel pipe (C), until you feel light resistance. Do not force connection. Hold swivel pipe and turn straight pipe clockwise, engaging positive locking channels, until connection is firm. Do not force connection.
- 9. Assemble straight pipe with decal (J) to straight pipe (K) as in step 8.
- Install Blower Pipes
- 1. Assemble clamps (A) and (G) onto both ends of flexible pipe (B).
- 2. Assemble flexible pipe to elbow (D) on blower. Position clamp with cable guide loop (G) on outside of flexible pipe and tighten clamp.
- 3. Position throttle cable along the outside of elbow. Loosen knob (H) on handle (E). Align notches in handle with tabs (F) and install onto swivel pipe (C) past long ridges in pipe.
- 4. Assemble swivel pipe into flexible pipe and tighten clamp (A).
- 5. Clip throttle cable into throttle cable guide loop.
- 6. Move handle (E) to desired position. Tighten knob (H) hand tight.
- 7. Assemble straight pipe (K) onto swivel pipe, until you feel light resistance. Do not force connection. Hold swivel pipe and turn straight pipe clockwise, engaging positive locking channels, until connection is firm. Do not force connection.
- 8. Assemble straight pipe with decal (J) to straight pipe as in step 7.
- Install Blower Pipes/Stick Handle
- Operation
- Fuel
- Starting Cold Engine
- Starting Warm Engine
- Stopping Engine
- Operating Blower
- 1. Use only during appropriate hours.
- 2. Allow the engine to warm up at a fast idle for a few minutes.
- 3. PB-755S H
- 4. Use lower speed to blow dry leaves from walks, patios and drives.
- 5. Additional speed may be necessary to clean grass and leaves from a lawn or flower bed.
- 6. Higher speed may be necessary to move gravel, dirt, snow, bottles or cans from a driveway, street, parking lot or stadium.
- 7. Always stop unit using stop engine procedure.
- Maintenance
- Air Filter
- 1. Close choke (COLD START [] position). This prevents dirt from entering the carburetor throat when the air filter is removed. Brush accumulated dirt from air cleaner area.
- 2. Remove air filter cover (A). Brush dirt from inside cover.
- 3. Remove air filter (B) and lightly brush debris from filter. Replace filter if it is damaged, fuel soaked, very dirty, or the rubber sealing edges are deformed.
- 4. If filter can be reused, be certain it:
- 5. Install air filter cover.
- Fuel Filter
- Spark Plug
- Cooling System
- Exhaust System
- Spark Arrestor Screen
- 1. Remove spark plug lead from spark plug, and remove engine cover.
- 2. Remove spark arrestor covers (A), gaskets (B), and spark arrestor screen (C) from muffler. Replace screen if plugged with carbon deposits.
- 3. Install spark arrestor screen and cover.
- 4. Install engine cover and attach spark plug lead.
- Exhaust Port Cleaning
- 1. Remove spark plug lead from spark plug, and remove engine cover.
- 2. Place piston at top dead center. Remove muffler (A) and heat shield (B).
- 3. Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port.
- 4. Inspect heat shield, and replace if damaged.
- 5. Install heat shield and muffler.
- 6. Tighten muffler mounting bolts (or nuts) to 110-150 kgf • cm (95-130 in • lbf).
- 7. Install engine cover and attach spark plug lead.
- 8. Start engine, and warm to operating temperature.
- 9. Stop engine, and re-tighten mounting bolts (or nuts) to specifications.
- 10. Install muffler cover.
- Spark Arrestor Screen
- Carburetor Adjustment
- Engine Break-In
- High Altitude Operation
- 1. Start engine, run at idle for one minute.
- 2. Complete warm up by running at full throttle for 5 minutes, operating choke twice to clear air from carburetor chambers.
- 3. Check idle speed and reset if necessary. If a tachometer is available, idle speed screw (A) should be set to the specifications found on “Specifications” Page of this manual. Turn idle screw (A) clockwise to increase idle speed; counter clockw...
- Troubleshooting
- Storage
- Long Term Storage (Over 30 Days)
- 1. Store unit in a dry, dust free place, out of the reach of children.
- 2. Place the stop switch in the “OFF” position.
- 3. Remove accumulation of grease, oil, dirt and debris from exterior of unit.
- 4. Perform all periodic lubrication and services that are required.
- 5. Tighten all the screws and nuts.
- 6. Drain fuel tank completely. Press purge bulb 6 -7 times to remove remaining fuel from carburetor then drain the tank again. Close choke, start and run the engine until it stops due to lack of fuel.
- 7. Allow engine to cool then remove the spark plug and pour 7 cc (1/4 oz.) of fresh, clean, two-stroke engine oil into the cylinder through the spark plug hole.
- 8. Pull the recoil starter handle 2-3 times to distribute the oil inside the engine.
- 9. Observe the piston location through the spark plug hole. Pull the recoil handle slowly until the piston reaches the top of its travel and leave it there.
- 10. Install the spark plug (do not connect ignition cable).
- 11. Remove blower pipe assembly from unit.
- Long Term Storage (Over 30 Days)
- Specifications
- Assembly
- Product Registration
- Notes
X7531125702 33
© 5/2016 ECHO Inc.
PB-755S H/T MAINTENANCE
• Air filter is clean and properly installed.
• Spark arrestor screen and muffler are free of carbon.
• Blower pipes are installed.
1. Start engine, run at idle for one
minute.
2. Complete warm up by running at
full throttle for 5 minutes,
operating choke twice to clear
air from carburetor chambers.
3. Check idle speed and reset if
necessary. If a tachometer is
available, idle speed screw (A)
should be set to the
specifications found on
“Specifications” Page of this manual. Turn idle screw (A) clockwise to
increase idle speed; counter clockwise to decrease idle speed.
A