Belt Replacement - Husqvarna W436 Operator's Manual

Adjusting Shift Lever Linkage
IMPORTANT If the shift lever and the
transmission detent are improperly aligned,
the transmission may fail prematurely.
Align the shift lever and detent as carefully
as possible. The .030 (.8 mm) clearance
helps prevent premature wear of the detent
plate and shift lever.
The transmission shift lever is attached to the
transmission shift arm with two
Adjusting:
1. Stop the engine and remove ignition key.
Put PTO lever in the OFF position. Put the
shift lever in neutral.
2. Loosen the two bolts on shift lever.
Shift Lever
3. Align the shift lever so it is centered in
gear Position 2 on the detent plate and is
.030 in. (.8 mm) from the V.
NOTE: If the shift lever cannot be adjusted
to tolerance with the shift lever hardware
alone, loosen the hardware holding the
detent plate to the frame and adjust the
detent plate to tolerance.
4. Tighten bolts securely.
NOTE: Before starting unit, test the shift
lever to make sure it engages all gear
positions.
/ -18 bolts.
5
16
Adjustment
Bolts
- 22 -
Replacing Transmission Belt
1. Stop the engine and remove ignition key.
Put PTO lever in the OFF position. Put the
shift lever in neutral.
Trans Sheave
Trans Belt
Clutch
Bracket
2. Remove mower drive belt from mower
clutch sheave.
3. Loosen idler pulley mounting bolt and slide
idler pulley away from the belt.
4. Loosen one and remove one engine
mounting bolt and turn the clutch stop
away from the clutch. Save the hardware.
5. Remove old transmission belt from mower
clutch sheave and transmission sheave.
6. Install new belt in the top groove of
the clutch hub and on the transmission
sheave.
7. Slide idler pulley to the belt to tension it,
and then tighten the mounting bolt to hold
the position.
8. Reposition clutch stop, replace engine
bolt, and torque both engine bolts to 17
lbf-ft (23 N•m).
9. Reinstall mower drive belt on mower
clutch sheave.

Belt Replacement 36"

1. Turn off the engine, remove the ignition
key and allow unit to cool.
2. Remove deck cover.
3. Turn the idler spring adjusting nut to
relieve tension from the idler spring.
4. Remove belt from deck sheaves and
mower clutch sheave.
5. Install new belt.
6. Tighten the adjusting nut to tension the
belt. Tighten the nut until the idler spring
compresses to 2 in. ± 1/8 in. (5.1 cm ± .32
cm). See Figure 16.
7. Replace deck cover and secure.
Belt Idler
Clutch
Sheave