TM 5-3810-289-12
4-79.
Backhoe Boom
a. Removal.
(1) Remove backhoe front end equipment
(2) Remove dipper (para 4-76), handle
b. Disassembly and Reassembly. Refer to
figure 4-62 for disassembly and reassembly of backhoe
boom assembly.
c. Cleaning, Inspection and Repair.
(1) Clean parts with an approved cleaning
solvent.
(2) Inspect boom, sheaves, and bushings
for wear and damage. Replace worn or damaged parts.
(3) Lubricate boom assembly in accordance
with current lubrication chart.
d. Installation.
Installation procedure is
reverse of removal, a, above.
1 Pin, cotter
11 Bolt (2)
2 Pin
12 Pin
3 Washer, flat (2)
13 Pin, cotter
4 Pin, cotter
14 Pin
5 Pin
15 Pitch brace
6 Washer, fiat
16 Pulley and block assembly
7 Pin, cotter
17 Bolt
8 Pin
18 Collar
9 Nut (2)
19 Pin
10 Washer, lock (2)
20 Socket, cable
Figure 4-60. Backhoe handle and pitch brace assembly,
exploded view
4-81
