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6.3 MOWER DECK BELT REPLACEMENT
(42" DECK)
1. Remove mower drive belt (see procedure above).
2. Detach mower deck from tractor. See
To Remove
42" Mower Deck
in
Service and Adjustments
.
3. Remove sheave covers.
4. Loosen belt idler pivot and slotted idler lock nut.
5. Install new belt. See installation decal for routing.
6. Tighten idler eye-bolt until spring is compressed to
7/8 inch. Tighten belt idler pivot and slotted idler
lock bolt.
7. Loosen mower idler eye-bolt.
8. Remove mower deck belt.
9. Match marks on mower sheaves to marks on deck
to properly align blades. The blades are driven by a
timing belt and must be positioned 90
o
to each
other (Figure 17).
6.4 CHECK BLADES
For best results mower blades must be kept sharp.
Replace bent, worn or damaged blades.
Blade Removal
1. Shut off the engine and unit. Remove the ignition
key. Remove the ignition wire(s) from the spark
plug(s) to prevent accidental start-up.
2. Raise mower to highest position to allow access to
blades.
3. Remove the locknuts, flat washers, and blades
from the spindle shafts.
Blade Installation
1. Install the blades, flat washers, and locknuts in
reverse order of removal.
1. Clutch to Deck Belt
2. Clutch Idler Arm
3. Mower Deck Belt
4. Drive Pulley
5. Electric Clutch
6. Idler Spring
7. Idler Eye-bolt
8. Timing Mark
OE0820
Figure 17
1
2
3
4
5
6
7
8
8
CAUTION:
Moving Parts and Sharp Blades
can cut or amputate body parts. Always use
sturdy gloves or padding to protect hands
when working with mower blades.
1. Blade
2. Flat Washer
3. Lock Nut
4. Blade Tray
5. Retainer Hub
Figure 18
1
2
3
OE0510
4
5