Idler Arm Inspection / Service; Idler Arm Removal; Idler Arm Installation - Toro TimeCutter SW4200 Service Manual

MOWER DECK

Idler Arm Inspection / Service

1� Remove deck belt as shown in this chapter�
2� Remove deck if necessary, as outlined in this
chapter�
3� Rotate idler arm by hand� The idler arm should not
pivot freely, it should take some force to rotate the
idler arm�
- If the idler arm rotates easily and / or rocks
excessively side-to-side, replace mounting
hardware, spacers and all washers�
4� Inspect idler arm pulley bearing and replace if
necessary�

Idler Arm Removal

1� Remove deck belt as shown in this chapter�
2� Remove deck if necessary�
3� Remove idler arm spring from idler arm� Inspect
spring and replace if necessary�
4� Remove the (1) fastener that secures idler arm
assembly to deck�
5� Inspect pivot bolt, friction washers, standard
washers, spacers and replace if necessary�
6
6� Remove the fastener that secures idler pulley to the
idler bracket� Inspect pulley bearing and replace if
necessary�
Note: The 32 inch deck idler arm pulley fastener
also secures the belt guide. See exploded
view for proper installation alignment.
6-20

Idler Arm Installation

1� Install idler pulley to the idler arm and torque
mounting bolt to specification - 30 ft-lbs. (40 Nm).
2� Assemble the idler arm pivot washers, spacers and
bolts� Verify proper component order according the
exploded views�
3� Install idler arm assembly and pivot bolt onto the
deck and torque to specification – 30 ft-lbs. (40 Nm).
4� Install deck to the frame if needed�
5� Fully install deck belt and tensioner spring to idler
arm�
6� Safely operate unit and check for proper function�
Toro TimeCutter SS/MX/ZS Service Manual