insure adequate cooling and correct engine speed and
will reduce the possibility of overheating and mechanical
damage to the engine.
Cleaning the Engine Cooling
Fins and Shrouds
Service Interval:
Every 150 hours/Yearly (whichever
comes first)
1. Disengage the PTO and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Remove the right hand shroud by removing the top
mounting screw and loosen the two side screws
(Figure 77).
G016905
1
2 1
Figure 77
Right hand side shown
1.
Shroud screws
2.
Right hand shroud
4. Remove the top mounting screw and loosen the two
side screws on the left hand shroud (Figure 77).
5. Pull up and remove the left hand shroud, feeding it
out around the fuel pump and bracket.
6. Remove the two screws on the left and right
hand sides in the cooling fan housing as shown in
Figure 78.
2
g016907
1
3
2
4
4
Figure 78
1.
Oil filter
3.
Battery
2.
Left side bolts for cooling
fan housing
4.
Right side bolts for cooling
fan housing
7. Remove the cooling fan housing.
8. Using compressed air, blow out any debris and
grass from the engine parts, particularly around the
cylinder head cooling fins and ignition coils.
9. Install all the shrouds on to the engine.
Check and Clean the Hydraulic
Unit Shrouds
Service Interval:
Before each use or daily
1. Disengage the PTO and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Raise the seat.
4. Clean the debris and grass from the hydraulic unit
shrouds (Figure 79).
5. Lower the seat.
51
Summary of Contents for Z Master 74936
Page 70: ...Schematics Wire Diagram Rev A 70...
Page 71: ...Notes 71...
