17MAINTENANCE
Use only a qualified mechanic for any adjustments, disassembly or any kind of repair .
WARNING: TO AVOID PERSONAL INJURY, ALWAYS
TURN MACHINE OFF, MAKE SURE ALL MOVING
PARTS COME TO A COMPLETE STOP.
DISCONNECT SPARK PLUG WIRE
BEFORE SERVICING UNIT.
ENGINE: See engine manufacturer operator's instructions.
RECONNECT SPARK PLUG WIRE AND
GUARDS BEFORE STARTING ENGINE.
17.1IMPELLER REMOVAL
1. Disconnect spark plug wires.
2. Elevate front of machine using stable support blocks between housing and ground so that front wheel
is not touching ground.
3. Remove front wheel bracket and front intake plate from the housing.
4. (Self propelled models only) Remove the clutch guard from the left side of the unit between housing and engine.
5. Remove impeller bolt and lock washer.
6. (Self propelled models only) Slide belt toward engine, out of belt groove in impeller hub drive pulley.
7. If impeller slides off freely, proceed to (step 12).(Note: Do not
pull or pry on impeller blades.)(Do not drop impeller).
8.If impeller does not slide off crankshaft, place two crowbars between impeller and housing on opposite sides. Pry impeller away from engine until it loosens. Using a penetrating oil can help loosen a stuck impeller.
9.If the impeller cannot be loosened, obtain a 1” (25.4mm) longer bolt of the same diameter and thread type as the impeller bolt.
Invert engine and impeller and support engine above ground to prevent recoil damage. Thread longer bolt by hand into the crankshaft until bolt bottoms. Using a suitable gear or wheel puller against the bolt head and the impeller
blades), remove impeller from shaft.
10. Slide impeller off of crank shaft and remove impeller from housing.
11. Reinstall new impeller and all applicable spacers, new impeller bolt and lockwasher in reverse order of removal. (See the parts drawing on pages 8 and 9 for parts break- down and parts list on page 10 for proper impeller bolt torque specifications.)
17.1IMPELLER REMOVAL continued
12. (Self propelled models only) When impeller is installed, slide belt into drive pulley.
13. Reattach front intake plate and front wheel bracket in reverse order of removal.
14. (Self propelled models only) Check operator's bail to ensure that it operates properly. If not, see drive adjust ments on page 14). Note: Drive must completely disengage with bail released and must engage when bail is depressed within 1.0" (25.4mm) of the operator's handle.
15. (Self propelled models only) Reinstall clutch guard.
16. Reconnect spark plug wire.
1717. 2.1
Maintenance Schedule | Follow these hourly | |
maintenance intervals. | ||
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More frequent service is required for extremely dusty conditions.
Maintenance Operation | Every | Every 5 hrs | Every 25 | Every 50 | |
Use | or (Daily) | hours | hours | ||
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Engine (See Engine Manual)
Check for excessive vibration
Inspect for loose parts
Inspect for damaged parts
Check tire pressure (p. 14)
Oil control pivot points
Lubricate Drive Chain
Check belt adjustment (p. 14)
Grease wheel zerks
Maintenance History
Date of Service | Service Performed |
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Part No. 430149 | Page 13 of 16 | Form No. F110802A |
