Toro Z 440 Pro Value Series, Service Manual

Page: 74 / 190

4-9 Z Master Z400 Service Manual
4
Installing the Pump Drive Belt
Fig 175 PICT-0097a
1. With a spring puller, remove the extension spring
from the idler arm assembly and remove the cog belt
from the pump drive and idler pulleys (Fig. 175).
Reverse the order of replacement.
HYDRAULIC SYSTEM
Idler Arm Removal
2. Remove the belt from the idler sheave (Fig. 176).
Fig 176 PICT-0107a
3. Remove the Idler Arm (Fig. 177).
Fig 177 PICT-0109a
Fig 178 PICT-0110a rev
4. Inspect the idler arm and bushings for excessive
wear. Replace any worn or broken components
(Fig. 178).
A
B
C
D E
F
A. Idler arm Assembly D. Bushing
B. Bearing Sleeve (2) E. Washer (Thick) (2)
C. Washer (Thin) F. Bolt