Service Manual

CHASSIS
4 - 20 Mid-Size Walk Behind Service Manual
Electric (PTO) Clutch (Floating Deck
Models)
Removal
1. Stop the engine, remove the key, and disconnect
the spark plug wires.
2. Raise the rear of the unit and place on safety
stands.
3. Remove the deck covers.
4. Using a large channel lock pliers, move the idler
pulley against spring tension until the PTO drive
belt can be slipped off the idler pulley (Figure 66).
Figure 66
0819-21
5. Slip the PTO drive belt off the deck pulley and
PTO clutch.
6. Disconnect the spring from the traction belt
tensioning arm.
7. Separate the clutch wiring and push the clutch
plug and grommet through the frame.
8. Remove the traction drive belt.
9. Remove the 2 rear engine mounting bolts and
replace with 3” (76mm) long 5/16” bolts to
maintain the engine to frame positioning.
10. Remove the 2 front engine mounting bolts and
nuts.
11. Lift the engine and insert 3/4” (19mm) wooden
blocks between the engine and frame (Figure 67).
This will provide clearance between the axle and
clutch pulley to permit removing the clutch from
the crankshaft.
Figure 67
0820-04
12. Remove the nut, bolt, and spacer securing the
clutch arm to the frame (Figure 68).
Figure 68
0820-06
13. Remove the clutch retaining bolt and washer.
14. Slide the electric clutch off the crankshaft.
Installation
Follow the removal procedures in reverse. Apply anti-
seize compound on the crankshaft to prevent rust.
(A) Clutch arm bolt (B) Clutch retaining bolt
A
B