Boom
3.14
Model 644E-42/944E-42
Rev. 6/04
Note: ALWAYS use new o-rings when servicing the
vehicle.
17. Install new o-rings into the fittings. Lubricate o-rings
with clean hydraulic oil.
18. Loosely install the female coupler, male nipple and
bulkhead fittings to the bulkhead plate inside the
gooseneck.
19. Remove the plugs and caps from the hoses and
fittings and connect the attachment tilt (1) and
auxiliary hydraulic (2) hoses to the fittings on the
boom tube gooseneck bracket and attachment tilt
cylinder. Torque hydraulic connections to,
33 - 43 lb-ft (45 - 59 Nm). Torque coupler
connections on bulkhead plate to, 33 - 43 lb-ft
(45 - 59 Nm)
20. Cup the hose guards (3) around each side of the
hoses (4). The guard edges should overlap inside and
outside of the other hose guard.
21. Loosely secure the hose guards (3) to the tilt cylinder
hoses (4) with a tie wrap (5). Push the hose guards
up the inner boom gooseneck to the angle connection
at the inner boom.
22. Secure the hose guards in this position with two more
tie wraps.
23. Coat the intermediate boom wear pad capscrews (9)
with Loctite
®
242 (blue). At the front of the
intermediate boom, install the wear pads (6) and
shims (7) with washers (8) and capscrews (9)
according to their previously marked positions.
Torque capscrews to, 34 - 38 lb-ft (46 - 52 Nm).
24. Measure all wear pad gaps (refer to Section 3.5,
“Boom Wear Pads,” for wear pad gap dimensions
and wear pad thickness requirements). Add or
remove shims as required. Replace the wear pads
with new parts, if needed.
MU4920
1
2
MU5050
3
4
5
MU0980
6
7
8
9
Summary of Contents for 944E-42
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Page 102: ...Boom 3 56 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
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Page 144: ...Cab and Covers 4 42 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Page 265: ...8 15 Model 644E 42 944E 42 Rev 6 04 Hydraulic System This Page Intentionally Left Blank...
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Page 832: ...Transfer Carriage 11 32 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Page 840: ...12 8 Model 644E 42 944E 42 Rev 6 04 Index...
Page 841: ...Accident Prevention Tags OS2180 8990403 Origin 5 00 Accident Prevention Tags...
Page 842: ...Accident Prevention Tags OS2180 8990403 Origin 5 00...
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