Form No. 3415-877 Rev A Power Max® Heavy Duty 1028 OHXE Snowthrower Model No. 38836—Serial No. 400000000 and Up Operator's Manual Introduction This machine is intended to be used by residential homeowners. It is designed primarily for removing snow from paved surfaces, such as driveways and sidewalks, and other surfaces for traffic on residential or commercial properties. It is not designed for removing materials other than snow, nor is it designed for clearing off gravel surfaces.
5 Connecting the Headlight and Handwarmer Wire to the Engine......................................... 10 6 Checking the Engine-Oil Level ....................... 10 7 Checking the Tire Pressure .............................11 8 Checking the Skids and Scraper .....................11 9 Checking the Operation of the Traction Drive ..............................................................11 Product Overview ................................................... 12 Operation ....................................
Safety General Safety This machine complies with ANSI B71.3 specifications. • Read and understand the contents of this Operator’s Manual before you start the engine. Ensure that everyone using this product knows how to use the product and understands the warnings. • Do not put your hands or feet near moving components on the machine. • Do not operate the machine without all guards and other safety protective devices in place and working on the machine. • Keep clear of any discharge opening.
Safety and Instructional Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or missing. decal112-6625 112-6625 Order Part No. 112-6629 1. Cutting/dismemberment hazard, impeller—do not place your hand in the chute; shut off the engine before leaving the operator's position and use a tool to clear the chute. decal106-4525 106-4525 Order Part No. 112-6633 1. Fast 2. Forward speeds 1 2 3. Slow 4.
decal125-1102 125-1102 1. Engine—shut off 3. Variable speed control 2. Slow 4. Fast decal127-5991 127–5991 1. Left turn control 4. Cutting/dismemberment hazard, impeller—do not place your hand in the chute; shut off the engine before leaving the operator's position and use a tool to clear the chute. 2. Traction drive—squeeze the lever to 5. Cutting/dismemberment hazard, engage; release the lever to disengage.
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure 1 2 3 4 5 6 7 8 9 Description Qty. Use Handle bolt Curved washer Locknut 4 4 4 Install the upper handle. No parts required – Install the wheel-clutch-cable ends. No parts required – Install the traction-control linkage. Carriage bolt Locknut 2 2 Install the chute-control rod. No parts required – Connect the headlight and handwarmer wire to the engine.
1 Installing the Upper Handle Parts needed for this procedure: 4 Handle bolt 4 Curved washer 4 Locknut Procedure g000984 Figure 5 Note: Do not remove the rubber band on the cables until you have installed the upper handle. 1. Lift and rotate the upper handle and position it over the lower handle (Figure 4). 2 Important: Route the cables attached to the Quick Stick® inside the upper handle legs and ensure that the cables and the wire for the headlight are not pinched between the handle sections.
g001306 Figure 10 g001303 Figure 7 Note: The gap should be approximately the 1. Wheel-clutch lever thickness of a pencil (1/4 inch or 6 mm). If it is greater, loosen the cable-clamp nut, slide the cable jacket up slightly, tighten the cable-clamp nut, and check the gap again. 3. Remove the nut and washer from the handle, attach the cable clamp on the cable to the handle, install the washer and the nut, and tighten the nut by hand (Figure 8). 6. Repeat steps 2 through 5 for the other cable.
Note: For easier installation, look down through the opening in the speed selector (Figure 14). g006527 g006528 Figure 14 Figure 12 1. Speed-selector lever 3. Inner washer 2. Trunnion 4. Outer washer 1. Speed selector 4 Note: For easier installation, leave the flat washer on the trunnion (Figure 12). 4. Shift the speed-selector lever into R2 position. Installing the Chute-Control Rod 5. Rotate the lower link arm fully upward (counterclockwise) (Figure 13).
g018657 g018657 Figure 17 g018656 1. Cable clip g018656 2. Deflector cable Figure 15 1. Short rod 2. Long chute-control rod 7. Hold the blue trigger cap down and rotate the Quick Stick in a circle to ensure that the chute and deflector operate smoothly. 4. Insert the front end of the rod into the opening in the back of the chute-gear cover until it slides into the chute gear (Figure 16).
6 9 Checking the Engine-Oil Level Checking the Operation of the Traction Drive No Parts Required No Parts Required Procedure Procedure Note: Your machine comes with oil in the engine crankcase. Before starting the engine, check the oil level and add oil if necessary. CAUTION If the traction drive is not properly adjusted, the machine may move in the direction opposite of what you intended, causing injury and/or property damage. Refer to Checking the Engine-Oil Level (page 22).
Product Overview D. Connect the trunnion to the speed-selector lever (Figure 12). 4. Release the traction lever. 5. Move the speed selector to Position 1; refer to Operating the Speed Selector (page 18). 6. Squeeze the left (traction) lever to the handgrip (Figure 19). The machine should move forward. If the machine does not move or moves rearward, complete the following: A. Release the traction lever and shut off the engine. B. Disconnect the trunnion from the speed-selector lever (Figure 12). C.
DANGER Fuel is extremely flammable and explosive. A fire or explosion from fuel can burn you and others. g004217 Figure 22 • To prevent a static charge from igniting the fuel, place the container and/or machine on the ground before filling, not in a vehicle or on an object. 1. Snow-cleanout tool (attached to the handle) Operation • Fill the tank outdoors when the engine is cold. Wipe up spills. Note: Determine the left and right sides of the machine from the normal operating position.
• Exercise extreme caution when operating on or crossing gravel drives, walks, or roads. Stay alert for hidden hazards or traffic. • Never attempt to make any adjustments while the engine is running. • After striking a foreign object, shut off the engine, remove the ignition key (electric-start models only), thoroughly inspect the machine for any damage, and repair the damage before starting and operating the machine.
5. Move the choke to the CHOKE position (Figure 27). 1 G016498 g016498 Figure 25 1. Ignition key G016501 4. Firmly push in the primer with your thumb as indicated by the following table, holding the primer in for a second before releasing it each time (Figure 26). g016501 Figure 27 6. Move the throttle to the FAST position (Figure 28). STOP G016504 g016504 Figure 28 g037221 g037221 7. Start the machine by pulling the recoil starter or pressing the electric-starter button (Figure 29).
Shutting Off the Engine 1. Move the throttle to the SLOW position, and then to the STOP position (Figure 30). You can also shut off the engine by pulling the ignition key outward to the middle position. STOP g215361 Figure 29 1. Electric-starter button 2. Electric starter plug-in 3. Recoil-start handle Note: To use the electric starter (electric-start models only), connect a power cord to the plug-in first and then to a power outlet.
Operating the Handwarmers Operate the handwarmers as follows: • Press the switch to the ON position to turn on the handwarmers. • Press the switch to the OFF position to turn off the handwarmers. g001011 Figure 33 2. To stop the traction drive, release the traction lever. Using the Wheel-Clutch Levers The wheel-clutch levers allow you to momentarily disengage the drive to 1 or both wheels with the traction-drive lever still engaged. This enables you to turn and maneuver the machine easily.
Operating the Auger/Impeller Drive 1. To engage the auger/impeller drive, squeeze the right (auger/impeller) lever to the handgrip (Figure 37). g001308 Figure 35 Momentarily squeezing and releasing the left or right wheel-clutch lever also allows for steering adjustments to keep the machine going in a straight line, especially in deep snow. g001013 Figure 37 Squeezing both wheel-clutch levers simultaneously disengages the drive to both wheels.
Moving the Chute Deflector Hold the blue trigger cap down and move the Quick Stick forward to lower the chute deflector; move it rearward to raise the chute deflector (Figure 40). g001014 Figure 38 Moving the Discharge Chute Hold the blue trigger cap down and move the Quick Stick to the left to move the discharge chute to the left; move the Quick Stick to the right to move the discharge chute to the right (Figure 39).
Operating Tips After Operation DANGER After Operation Safety When the machine is in operation, the impeller and auger rotate and can injure or amputate hands or feet. • Never store the machine with fuel in the fuel tank inside a building where ignition sources are present, such as hot water heaters, space heaters, or clothes dryers. Allow the engine to cool before storing in any enclosure.
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 2 hours • Inspect the traction cable and adjust it if necessary. • Inspect the auger/impeller cable and adjust it if necessary. After the first 5 hours • Change the engine oil. Before each use or daily • Check the engine-oil level and add oil if necessary. Every 50 hours • Change the engine oil.
Checking the Engine-Oil Level Service Interval: Before each use or daily—Check the engine-oil level and add oil if necessary. 1. Remove the dipstick, wipe it clean, then fully install the dipstick. g001570 Figure 42 2. Remove the dipstick and check the oil level (Figure 41). If the oil level is below the Add mark on the dipstick, add oil. Refer to Checking the Engine-Oil Level (page 22). 1. 1.3 cm (1/2 inch) 3. Support the side plates so that they are at least 1.3 cm (1/2 inch) above a level surface.
Checking and Adjusting the Traction Cable Service Interval: After the first 2 hours—Inspect the traction cable and adjust it if necessary. Yearly—Inspect the traction cable and adjust or replace it if necessary. If the machine does not drive in the forward or reverse speeds or it drives when you release the traction lever, adjust the traction cable. g001021 Figure 44 1. Jam nut With the traction lever disengaged, check the pin in the elongated slot in the left side of the machine above the tire.
Checking the Auger-Gearbox-Oil Level Service Interval: Yearly—Check the auger-gearbox oil and add oil if necessary. 1. Move the machine to a level surface. 2. Clean the area around the pipe plug (Figure 48). g001569 Figure 46 1. Tab 2. 1.5 mm (1/16 inch) 1 4. If the auger/impeller cable is not properly adjusted, do the following steps: G016782 g016782 5. Loosen the jam nut (Figure 47). Figure 48 1. Pipe plug 3. Remove the pipe plug from the gearbox. 4. Check the oil level in the gearbox.
Changing the Engine Oil Service Interval: After the first 5 hours—Change the engine oil. Every 50 hours—Change the engine oil. Change the engine oil every 25 operating hours when operating the engine under a heavy load. 1 If possible, run the engine for a few minutes before changing the oil because warm oil flows better and carries more contaminants. Engine oil capacity Models 38836: 0.89 to 0.95 L (30 to 32 fl oz) Oil viscosity Refer to Figure 49.
Note: Ensure that the ignition wire snaps completely into place on the spark plug. Adjusting the Discharge-Chute Latch 1 If the discharge chute does not lock into the desired position or does not unlock so that you can move it to another position, adjust the discharge-chute latch. G016645 1. Remove the fastener on the gear cover (Figure 54), lift the front of the cover up, and slide it back and out of the way. g016645 Figure 51 1. Spark-plug boot 2. Clean around the base of the spark plug.
Replacing the Headlight Bulb Use a GE 899 37W halogen light bulb. Do not touch the bulb with your hands or allow dirt or moisture to come into contact with the bulb. 1. Remove the wire connector from the back of the headlight (Figure 57). g001032 Figure 56 1. Discharge-chute latch 2. Gear teeth Note: The latch is spring loaded and naturally moves into the teeth of the gear (Figure 56). g001037 Figure 57 4. Remove any slack in the cable by pulling the cable conduit rearward. 5.
Storage WARNING • Gasoline vapors can explode. g001035 • Do not store gasoline more than 30 days. Figure 60 • Do not store the machine in an enclosure near an open flame. 5. Turn the base of the bulb clockwise until it is snug (Figure 61). • Allow the engine to cool before storing it. Preparing the Machine for Storage 1. On the last refueling of the year, add fuel stabilizer to fresh fuel as directed by the engine manufacturer.
Troubleshooting Problem Possible Cause The electric starter does not turn (electric start only). 1. The power cord is disconnected at the outlet or the machine. 1. Connect the power cord to the outlet and/or the machine. 2. The power cord is worn, corroded, or damaged. 3. The power outlet is not energized. 2. Replace the power cord. 1. The key is not in the ignition or is in the STOP position. 1. Insert the key into the ignition and turn it to the ON position. 2.
Problem The engine runs, but the machine discharges snow poorly or not at all. Possible Cause Corrective Action 1. The throttle is not in the FAST position when throwing snow. 1. Move the throttle to the FAST position. 2. The machine is moving too fast to clear the snow. 3. You are trying to remove too much snow per swath. 4. You are trying to remove extremely heavy or wet snow. 5. The discharge chute is plugged. 6. The auger/impeller drive belt is loose or is off the pulley. 2.
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