Lull 944E-42 Service Manual User Manual download pdf (Page 63)

100

101

3.15

Model 644E-42/944E-42 Rev. 6/04

Boom

25. Working from the rear of the boom, move the

attachment tilt and auxiliary hydraulic hoses (10) until

there is approximately a 0.5" (12 mm) gap between the

Extend/Retract cylinder trunnion (11) and the hoses.

Note: If you are installing new hydraulic hoses, the hose

clamps should be connected to the hoses at the white

marks (12) on the hoses.

26. Coat the four capscrews with Loctite

242 (blue).

Connect the attachment tilt hose clamp (13) and

auxiliary hydraulic hose clamp (14) to their mounting

brackets at the rear of the intermediate boom.

Torque capscrews to, 4 - 8 lb-ft (6 - 11 Nm).

Note: ALWAYS use new o-rings when servicing the

vehicle.

27. Install new o-rings into the fittings. Lubricate o-rings

with clean hydraulic oil.

28. Remove the plugs and caps from the hoses and

fittings and connect the extend (15) and retract (16)

hoses to the Extend/Retract cylinder (17). Torque

extend hose (15) connection to, 90 - 100 lb-ft

(125 - 135 Nm). Torque retract hose (16) connection

to 35 - 45 lb-ft (50 - 60 Nm).

MU4830

MU0240

MU0220

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Lull 944E-42 Service Manual User Manual Page 63

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