Skytrak 6042 Service Manual User Manual download pdf (Page 55)

3.9

Model 6042 Legacy Origin 7/02

Boom

33. Lower the attachment tilt cylinder (Fig. 3-15, 4) with

the hoist and remove from the backside of the

gooseneck. Place the attachment tilt cylinder on a

clean, level surface.

Note: Use a hoist capable of lifting 5,000 lbs (2268 kg)

and two slings to remove the inner boom.

34. Place the slings around the inner boom. Pull the

inner boom straight out of the intermediate boom.

Reposition the slings as needed so the inner boom

balances when removed from the intermediate

boom. Carefully lower the inner boom onto suitable

supports or to the ground. Support the boom as

needed to prevent it from tipping over.

35. Inspect the boom and welds. Contact the local

OmniQuip Authorized Service Center (ASC) or the

OmniQuip Service Department if structural damage

is detected.

36. Inspect hoses, hardware, wear pads, mounting

points, chains and other components visible with the

inner boom removed. Replace if damaged.

37. Inspect all wear pads (Fig. 3-16, 1) for excessive

wear. If the, angled cut, wear indicators (2) on the

ends of the wear pads are visible, the wear pads can

be reused. If the pads show uneven wear (front to

back), they should be replaced. Replace pads as a

set if worn or damaged.

Figure 3-16 Wear Pad Wear Indicators

Note: If you are not replacing the inner boom with a new

boom section, the remaining items may stay on the

boom and you can proceed to the next section. If you are

replacing the inner boom with a new boom section, the

following items need to be removed from the boom and

installed in the same position on the new boom section:

38. At the rear of the boom, remove the two elastic

locknuts (1) and flat washers (2) holding both extend

chain clevis’ (3) to the anchor plate (4) on the inner

boom (5). Save the flat washers and discard the

elastic locknuts.

Figure 3-17 Extend Chain Locknuts

39. At the rear of the inner boom (Fig. 3-18, 1), remove

the capscrews (2) and lockwashers (3) holding the

top wear pads (4), spacers (5) and shims (6) to the

top of the inner boom. Label the wear pads, spacers

and shims as “Top Left” and “Top Right” sides. Also

note the orientation of the mounting hole offset.

Save the spacers, shims, capscrews, lockwashers

and wear pad inserts (7).

40. Remove the capscrews (Fig. 3-18, 8), lockwashers

(9) and flat washers (10) holding the side wear pads

(11) and shims (12) to the sides of the inner boom.

Label the wear pads and shims as “Left Side Upper/

Lower” and “Right Side Upper/Lower.” Also note the

orientation of the mounting hole offset. Save the

shims, capscrews, lockwashers, flat washers and

wear pad inserts (13).

41. Remove the capscrews (Fig. 3-18, 14) and

lockwashers (15) holding the bottom wear pad (16)

and spacer (17) to the bottom of the inner boom.

Label the wear pad and spacer as “Bottom.” Also

note the orientation of the mounting hole offset.

Save the spacer, capscrews, lockwashers and wear

pad inserts (18).

Figure 3-18 Inner Boom Wear Pad Removal

WARNING: NEVER weld or drill the

boom. The structural integrity of the boom will

be impaired if subjected to any repair involving

welding or drilling. Failure to comply can result

in death or serious personal injury.

MA2071

MA10,0440

MA10,0520

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Skytrak 6042 Service Manual User Manual Page 55

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