Adjusting Brakes - Husqvarna W436 Operator's Manual

Adjusting Brakes

NOTE: The traction belt must disengage as the
brake starts to engage.
1. Turn off the engine, remove the ignition
key and allow unit to cool.
2. If brakes do not disengage fully when
traction belt is engaged, the brakes are too
tight. Disconnect trunnion from the clutch
weldment and turn the trunnion up the
brake rod to reduce braking. Reconnect
the trunnion to the clutch weldment.
Wheel Clutch
Brake Rod
3. If brakes do not engage fully when traction
belt is disengaged, the brakes are too
loose. Disconnect trunnion from the clutch
weldment and turn the trunnion down the
brake rod to increase braking. Reconnect
the trunnion to the clutch weldment.
4. Start engine and test in low gear for proper
brake engagement.
Replacing Traction Belts
1. Turn off the engine, remove the ignition
key and allow unit to cool.
2. Release the steering levers.
3. Raise the rear of the unit so that the drive
wheels are off the ground. Make sure the
unit is securely supported.
4. Disconnect clutch idler pulley spring.
5. Remove traction belt guard.
6. Remove hair pin and trunnion holding
steering control rod to wheel clutch
weldment.
7. While slowly turning the drive wheel, work
the traction belt off the transmission shaft
pulley and drive wheel.
8. Install new traction belt.
9. Connect steering control rod to wheel
clutch arm weldment with trunnion and
hair pin.
10. Replace traction belt guard.
11. Replace clutch idler pulley spring.
12. Lower the unit.
13. Check steering lever adjustment.
extension spring can be dangerous.
Always use tools specifically designed for
installing or removing an these springs.
Always compress or extend springs slowly.
Wheel Clutch
Trunnion
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WARNING! Avoid injury. An
Steering Rod
Trunnion
Shaft Pulley
Idler Spring
Traction Belt