Removal - TM-55-1930-208-240109

TM 55-1930-208-24

3-20.

BLOWER DRIVE - Continued.

a. Removal. (Refer to figure 3-44).

(1) Remove the six bolts that secure the flywheel housing small hole cover.

(2) Remove snap ring (1). Pull blower drive shaft (2) out of the drive assembly.

(3) Disconnect blower drive oil line (3) from blower drive support.

(4) Loosen hose clamps (4) and remove gaskets (5) and bushing (6).

(5) Straighten the ears on lockwasher (7) and loosen drive gear hub nut (8).

(6) Remove blower drive support attaching bolt (9) and lockwashers (10).

(7) Loosen blower drive support (11) by tapping it lightly and withdraw the support from the cylinder

block rear end plate. Take care to prevent damage to blower drive gear teeth. Discard gasket

(12).

b. Disassembly.

(1) Refer to figure 3-44 and secure blower drive gear and support assembly in a vise with soft jaws.

(2) Take out drive coupling bolts (13) and lockwashers (14) and remove retainer (15) and coupling

support (16).

(3) Remove drive gear hub nut (8), lockwasher (7), thrust washer (17), and lock ball (18).

(4) Press gear hub (19) out of gear (20).

(5) Remove cam follower (21), springs (22), and seats (23) from coupling support (16).

(6) Remove thrust washer (24) and bearing (25) from housing.

(7) Remove oil filler cap (26), oil filler tube (27), and strainer (28) from housing.

(8) Disconnect chain (29) from filler cap and tube.

(9) Remove plug (30) from housing.

3-72