HP MOWER Owner’s Manual
Part No 521316
Form No F110315A
8
MAINTENANCE
PERIODIC MAINTENANCE
Periodic maintenance should be performed at the following intervals:
Maintenance Operation
Every Use (daily) Every 5 hrs or (daily) Every 25 Hrs
Every 50 Hrs
(Yearly)
Every 150 Hrs
Inspect for loose, worn or damaged parts.
Check for excessive vibration
Inspect belt for wear
Engine (See Engine Manual)
Grease caster pivot points and lubricate height
adjustment spacers
Sharpen Blade
Check tire pressure
Note: inflate to mfr.’s specs. as shown on tire
side wall
Replace blade and traction belts
Note
: Blade, and drive belts are normal wear items. These should be inspected on a regular basis and replaced if
worn. Also see your Billy Goat Dealer for servicing your machine.
BLADE Removal / Sharpening
NOTE
: When sharpening the blade it is a good idea to check the balance of
the blade. A properly balanced blade will increase life of the bearings and other
components.
DO NOT
change the blades with the unit running.
Tools required: ratchet, 15/16” inch socket, torque wrench, adequate support,
block to inhibit blade rotation.
1. Disconnect spark plug wire.
2. Chock the back tires.
3. Support front of unit to allow access to the blades.
Note: Unit is heavy. Be sure support is adequate to prevent personal injury.
4. Block the blade to prevent it from rotating during removal.
For Each Spindle:
5. Remove the blade bolt (Item 81), and lock washer (83).
6. Remove the blade (12) and replace or sharpen the blade.
NOTE: Use only B.G.I. Part no. 521109 (Standard blade) or B.G.I. Part no.
521140 (Mulch blade).
7. Reinstall the blade using all fasteners in the exact order they were removed.
8. Torque blade screw to 55-60 ft-lbs.
NOTE: Before installing the fasteners inspect them for wear and replace as
necessary.
9. Reconnect spark plug wire.
Not
for
Reproduction