•
If the gap is less than 0.010 inch, then reinstall
the shim and reference the
Troubleshooting
section.
•
If the gap is sufficient, proceed to the safety
check in step F.
F. Perform the following safety check:
a. Sit on the seat and start the engine.
b. Make sure the blades Do Not engage with the
PTO switch “off ” and the clutch disengaged.
If the clutch does not disengage, reinstall the
shim and reference the
Troubleshooting
section.
c. Engage and disengage the PTO switch
ten consecutive times to ensure the clutch
is functioning properly. If the clutch
does not engage properly, reference the
Troubleshooting
section.
Cooling System
Maintenance
Servicing the Engine Oil
Cooler
Service Interval:
Every 150 hours
1. To access and service the oil cooler, remove the top
mounting screw and loosen the two side screws.
2. Remove the shroud.
3. Clean the engine oil cooler with compressed air
4. Install the shroud and install the screws.
G015199
1
2 1
3
Figure 76
1.
Shroud screws
3.
Engine oil cooler
2.
Shroud
Cleaning the Engine Screen
Service Interval:
Before each use or daily
Before each use remove any build-up of grass, dirt or
other debris from the engine screen. This will help
50
Summary of Contents for Z Master 74936
Page 70: ...Schematics Wire Diagram Rev A 70...
Page 71: ...Notes 71...
