Service manual

1-5WPM Drive Systems Manual

Fig 008 3428-0137

7. The wheel pinion, thrust washer, pivot, and spring

arm will now slide off the end of the axle (Fig. 008).

Repeat the process on the other side.

Fig 007 3428-0135

6. Place a block of wood under the wheel pinion for

support and drive the roll pin out of the axle (Fig.

007). Repeat the process on the other side.

8. Remove the transmission from the chassis.

9. Reverse the procedure to install.

NOTE: Support the wheel pinions with the wood

block while driving the roll pins in. This will

prevent the axle from being bent. Fill the

transmission with oil after it is installed in

the mower (Fig. 009).

Note the front of the transmission is identiﬁ ed by the oil

ﬁ ll/check screw and the ﬂ at tab which is part of the lower

case.

Fig 009 3428-0166

WORM DRIVE TRANSMISSION

Disassembly

1. Cut and discard the push-on retainer on top of the

transmission pulley. Remove the belt and pulley.

A. Wood Block

A. Fill/Check C. Tab

B. Plug