26
Section 4 - ADJUSTMENT & REPAIR
4.4.5. 33" MOWER BLADE REPLACEMENT
(Continued)
6. Install new blade, part number 3-4168, onto
blade mounting bar.
7. Torque 30 to 40 ft lbs.
4.4.6. TRACTION DRIVE BELT REPLACEMENT
It is necessary to remove deck in order to replace
belts. Remove deck as follows:
1. Place tractor on a firm, level surface such as a
driveway or garage floor and set the park brake.
2. Turn engine “OFF”. Remove key.
3. Lower the deck to lowest setting.
4. Disconnect the deck lift rod from the front lift
arm. See Figure 4.22.
FIGURE 4.22
WARNING
DO NOT attempt any adjustments, maintenance or service
with the engine or blade running. STOP blade. STOP engine.
Set brake. Remove key. Remove spark plug wire from spark
plug and secure wire away from spark plug. Engine and
components can be extremely hot. Avoid burns by allowing
engine and components sufficient time to cool.
Mower Deck Removal
5. Remove hair pins from the front deck hanger
rod. See Figure 4.23.
6. Hold front of deck "UP" and slide the front deck
hanger rod to the right and out then lower the front of
deck to the ground.
7. Remove hair pin and flat washer from rear deck
hanger bracket on both sides of tractor.
8. Make note of hole used in sector plates.
9. Slide sector plates off of rear deck hanger
brackets.
10. Slide deck forward.
Remove deck drive belt from engine pulley bottom
groove. See Figure 4.24.
FIGURE 4.24
11. Slide deck back and disconnect spring from
tension idler.
12. Pull deck from under tractor from R.H. side.
Traction drive belt removal
1. Remove two belt guide mounting bolts from each
side of tractor frame. See Figure 4.25.
FIGURE 4.25
FRONT LIFT
ARM
FRONT LIFT
ROD
HAIR PIN
WASHER
RIGHT
SIDE
SHOWN
FRONT
AXLE
FRONT DECK
HANGER ROD
FRONT LIFT ARM
HAIR PIN
FIGURE 4.23
ENGINE PULLEY
BOTTOM GROOVE
33” BELT GUIDES SHOWN
BELT GUIDE
MOUNTING
BOLTS (2 EACH
SIDE)
BELT
GUIDE
