(3) Remove the dust guards (6) from the second countershaft (17) and compression roll (1).
(4) Remove the second countershaft (par. 208a).
(5) Place solid timber blocks under the road roller frame (16) on both sides of the compression roll (1).
(6) Remove the bolts, lockwashers, and nuts (20) attaching the compression roll mounting brackets (19) to the
road roller frame (16).
(7) Wrap steel cables around the ends of the compression roll axle shaft and lift up the compression roll (1) with
a crane.
b. Disassembly (fig. 135).
(1) Cut the lock wires (1) and remove the adjusting bolts (2) from both ends of the compression roll axle shaft
(10).
(2) Remove the adjusting plates (3).
(3) Remove the bolts (5), lockwashers (17), and nuts (16) by pulling them out from the mounting brackets (4)
and axle shaft (10).
(4) Remove the mounting brackets (4) and adjusting collars (6).
(5) Use a wood block and sledge hammer to drive the axle shaft (10) out of the compression roll until the shaft
clears the dust guard (7) and bearing (8).
(6) Remove the dust guard and bearing from the compression roll.
(7) Pull out the axle shaft (10) from the compression roll.
(8) Press the remaining dust guard (7) and bearing (8) from the axle shaft (10).
(9) Remove the bearing cups (9) from the compression roll hub.
(10) If it is necessary to remove the compression roll spur gear, cut the lock wire and remove the screws
attaching the gear to the roll. Remove the spur gear from the compression roll.
c. Cleaning. Wash all parts in cleaning solvent and wipe them dry with a clean absorbent cloth. Blow off all
lubrication and pin mounting passages with clean compressed air. Clean the adjusting bolt and mounting bolt threads with
a wire brush and cleaning solvent.
d. Inspection and Repair.
(1) Inspect the compression roll for breaks, cracks, and leaks. Weld all minor cracks and breaks. Replace the
compression roll if it is badly broken, cracked, warped, or damaged. Inspect the machined surface of the
roll and replace the compression roll if the surface is badly scored, cut, or damaged.
(2) Inspect the axle shaft for wear, twisting, cracks, and breaks. Check the bearing journals for wear, scoring,
cuts, and flaws. Replace the axle shaft if bent, twisted, or if the bearing journals are worn or scored.
346
