13
WARNING
DO NOT attempt any adjustments, maintenance,
service or repairs with the engine running. STOP
engine. STOP blade. Engage parking brake. Remove
key. Remove spark plug wire from spark plug and
secure away from plug. Engine and components are
HOT. Avoid serious burns, allow all parts to cool
before working on machine.
WARNING
Blades are extremely sharp and can cause severe
injuries. Wear heavy gloves when working on or
handling blades. DO NOT use blades that show
signs of wear or damage.
3.2.3. Check M ower Blade
1. Stop engine, stop blades. Engage parking brake.
Remove key.
2. Carefully stand machine on rear bumper.
IMPORTANT: If the machine will be on its rear
bumper for longer than two hours, remove the
battery. Refer to Section “BATTERY REMOVAL”.
3. Check torque of blade mounting nut. Torque nut
to 60 to 90 ft. lbs. See Figure 3.3.
FIGURE 3.3
4. Inspect blades carefully for wear or damage.
Refer to Section “BLADE WEAR LIMITS”. Replace
worn or damaged blades.
3.2.4. BLADE DRIV E & ENGINE TO DECK BELTS
A) Check Blade Drive Belt
The blade drive consists of two belts. The engine to
deck belt will require inspection and periodic
adjustment. The deck belt requires inspection only.
B) Engine To Deck Belt
1. Stop engine. Stop blades. Engage parking
brake. Remove key.
2. Remove cover to gain access to belt by
removing four screws. See Figure 3.4.
FIGURE 3.4
3. Visually inspect condition of belt. If worn or
damaged, replace. Refer to Section “ENGINE TO
DECK BELT REPLACEMENT”.
4. Check belt tension. Place cutting height control
lever in mid setting. With engine “OFF”, engage
blade control lever. See Figure 3.5. The length of
the control cable spring should extend a minimum
of 1/4”. If extension is less than 1/4”, belt tension
should be adjusted. Refer to Section “ENGINE TO
DECK BELT ADJUSTMENT”.
5. Install cover. Tighten screws securely. DO NOT
operate with cover removed.
FIGURE 3.5
C) Deck Belt
1. No tension adjustment is required.
2. Visually inspect belt for signs of deterioration.
Replace belt if worn or damaged. Refer to Section
“DECK BELT REPLACEMENT”. See Figure 3.6.
REMOVE SCREWS
& COVER TO GAIN
ACCESS TO
BELTS
TORQUE BLADE MOUNTING NUT TO 60-90 FT. LBS.
TWO SCREWS ON EACH SIDE OF COVER
ENGINE TO DECK BELT
CONTROL
SPRING
1/4” MIN.
SPRING
EXTENSION