Lull 944E-42 Service Manual User Manual download pdf (Page 71)

100

101

3.23

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

Boom

7. Use a suitable overhead lifting device and sling to

support the outer boom and allow for the

detachment of the lift/lower cylinder.

8. Use a suitable overhead lifting device and sling

attached to the lift/lower cylinder (14). Remove slack

from the sling.

9. Remove one capscrew (15) and one locknut (16)

securing the lift/lower cylinder pin (17) at the outer

boom lift/lower cylinder mount boss on the underside

of the outer boom.

10. Carefully extract the lift/lower cylinder pin (17).

11. Lower the lift/lower cylinder into the chassis cavity,

onto a suitable support placed at the front of the

cylinder.

12. Working from the top of each slave cylinder (18),

remove one capscrew (19), washer (20) and one

locknut (21) at the slave cylinder mount pin (22).

13. Remove the slave cylinder mount pin (22) and

carefully lower each slave cylinder against the

transfer carriage. DO NOT stretch or damage the

slave cylinder hydraulic hoses.

14. Use a suitable overhead lifting device and sling to

attach to the loop (23) on back of the outer boom.

Use the other sling supporting the front of the outer

boom and remove the slack from the front and back

supporting slings.

15. Remove cotter pins (24) from the clevis pins (25)

and pull the clevis pin from the pivot pin (26).

Note: Record the number, thickness, and position of the

shim washers (27) to ensure correct installation.

16. Remove the boom pivot pin (26) and shim

washers (27).

17. Withdraw the outer boom from the vehicle. Carefully

lower the outer boom onto suitable supports or to the

ground.

MU0350

MU0370

MU0400

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Lull 944E-42 Service Manual User Manual Page 71

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