on the end of the transmission shaft and runs in constant mesh with two bevel gears mounted on a cross-shaft through the
transmission case. A constant mesh change of gear ratio provides high and low speed in both forward and reverse gears.
All transmission shafts are machined from special alloy steel, heat treated, and mounted on anti-friction bearings. Gears,
shafts, and bearings operate constantly in an oil bath. The first countershaft outboard bearing is a self-alining, double-row
ball bearing with its housing secured to the side member of the road roller frame. The entire transmission is enclosed and
protected from dust and grit.
a General. For the general description of the master clutch, refer to paragraph 138.
(1) Remove the engine (par. 174). While the engine is being removed, the master clutch assembly will slide off
the clutch shaft and remain on the flywheel of the engine.
(2) Remove the six screws and lockwashers attaching the master clutch assembly to the flywheel.
(3) Remove the master clutch from the flywheel.
(1) Pull out the adjusting lock pin (14) and secure it in unlocked position.
(2) Turn the adjusting yoke (17) counterclockwise until it is released from the threads on the hub and back plate
(3) Remove the adjusting yoke (17), sliding sleeve (18), and cone collar (4).
(4) Lift up and remove the floating plate (8).
(5) Remove the driving plate (11) and six release springs (12).
(6) Drive out the rivets (9) attaching the friction disks (10) to the driving plate (11). Remove the friction disks
from both sides of the driving plate.
(7) Remove the bolts (1), nuts (5), and washers (2) attaching the upper half of the cone collar (4) to the lower
half of the collar. Unscrew and remove the grease fitting (3) from the cone collar.
(8) Remove the lever ]ink pills (21) and retaining rings (19). Disconnect the sliding sleeve (18) from the
adjusting yoke (17). Remove the lever links (20) from the sliding sleeve.
(9) Remove the retaining rings (16) and drive out the lever pins (6).
(10) Remove the finger levers (7) from the adjustment yoke (17).