Service Manual

MOWER DECK
6-20
Toro TimeCutter SS/MX/ZS Service Manual
6
Idler Arm Installation
1. Install idler pulley to the idler arm and torque
mounting bolt to specication - 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 specication – 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.
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. 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.