TM 5-3895-376-14&P
4-40. BASE PLATE MAINTENANCE INSTRUCTIONS
This task includes.
a. Replace
INITIAL SETUP
Tools
Tool Kit General Mechanic’s
Equipment Condition
Compactor set on level ground in protected area
Wrench, Torque, item 49. Appx F
Driver 14mm Hex Key w/3/4 sq-dr; Item 9. Appx F
General Safety Instructions
Observe all WARNINGS and CAUTIONS
Materials/Parts
Lockwasher, M12 (8)
1.
If not already removed, remove the v-belt
(Para. 4-25)
2.
Disconnect the direction control cable
(Para. 4-19)
3.
Remove four hex nuts (1), lockwashers (2), and
eccentrics (3).
C A U T I O N
The engine with engine base and at-
tached guide bar weigh approximately
250 pounds, select hoist with adequate
lifting capacity.
4.
Attach a suitable hoist to lifting point on protec-
tion frame and lift the engine and engine base
from the base plate and set aside on blocking.
NOTE
Block unit so guide bar locking latch on
rear of engine base does not rest on floor.
5.
Remove the four inner hex nuts (1), lockwash-
ers (2), and rubber buffers (4) from the base
plate (5).
6.
Remove four socket head capscrews (6), lock-
washers (7) and vibrator assembly (8) from the
base plate (5).
7.
8.
9.
10
11
12
13
Install the vibrator assembly (8) onto the base
plate (5). ensuring that the pulley shaft end of the
vibrator assembly IS positioned away from the
end of base plate with large, 0.78 in. (20 mm)
hole centered near the edge.
Secure the vibrator assembly (8) to the base
plate (5) with four capscrews (6) and lockwash-
ers (7). Torque the capscrews (6) to 255-262 ft-
Ibs (345 355 Nm), with torque wrench fitted with
a 14 mm hex key driver.
Install rubber buffers (4) on base plate (5), secur-
ing with lockwashers (2) and hex nuts (1).
Tighten hex nuts securely.
Attach a suitable hoist to lifting point on protec-
tion frame and lift the engine and engine base
from the blocking and position over the base
plate, engaging the studs of the rubber buffers
with slots in engine base.
Install eccentrics (3), lockwashers (2) and hex
nuts (1) onto studs of rubber buffers. Tighten fin-
ger tight.
Install and tension the v-belt (Para. 4-25).
Connect the direction control cable (Para. 4-19).
NOTE
Follow-on tasks Include: Install the v-belt
cover (Para. 4-24).
4-72
