SkyTrak 8042 Service Manual - Manual (Page 81)

Boom
3.20 Model 8042, 10042, 10054 Legacy Rev. 03/04
37. At the front of the outer boom, remove the elastic
locknut (1) holding the rubber bumper (2) to the
Extend/Retract cylinder retainer (3). Discard the
elastic locknut.
38. Inspect the rubber bumper (2). If it is in good
condition, the rubber bumper can be reused. If the
rubber bumper is showing signs of cracking or
deterioration, it should be replaced.
39. Remove the elastic locknut (4) and shoulder bolt (5)
holding the two yoke plates (6) to the mount at the
front of the outer boom. Retain the shoulder bolt and
discard the elastic locknut.
40. Inspect the yoke plates (6) for wear or distortion. If
any wear or distortion is detected, both plates must
be replaced. If no wear is detected, the plates can
remain assembled to the extend chain clevis.
41. Remove the grease fittings (7) from the Lift/Lower
cylinder mounts (8) and the Slave cylinder
mounts (9) on the outer boom. Save the grease
fittings for reassembly.
42. Remove the self-aligning bearings (10) from the Lift/
Lower cylinder mounts (8) and the Slave cylinder
mounts (9).
43. Inspect the bearings (10). If the bearing rotates
freely inside the outer race, the bearing can be
reused.
44. On the left side of the outer boom, remove the
locknut (11), angle indicator (12) and flat
washers (13) from the weld stud. Save the angle
indicator and all the hardware for reassembly.
45. Remove the extend and retract bulkhead fittings (14)
from the mounting plate on the right side of the outer
boom assembly.
46. Remove the Attachment Tilt bulkhead fittings (15)
from the mounting plate on the left side of the outer
boom assembly.
47. If equipped with optional auxiliary hydraulics, remove
the auxiliary hydraulic bulkhead fittings (16).
48. Inspect all fittings (14, 15 and 16) for damage. If the
fittings or threads are damaged, the fittings should
be replaced.
MH1270
1
2
3
MH1280
4
5
6
MH1290
10
7
7
8
9
10
MH1300
11
12
13