Skytrak 6042 Service Manual User Manual download pdf (Page 68)

100

101

Boom

3.22

Model 6042 Legacy Origin 7/02

4. Install new or saved lift/lower cylinder bearings

(Fig. 3-52, 1) into the lift/lower cylinder mounts (2)

on each side of the boom assembly. Orient the

fracture (3) in the outer race of each bearing at the

3 o’clock position. Press the bearings into position

until the edge of the outer race (4) of each bearing is

flush with the edge of the plate (5).

5. Install new or saved slave cylinder bearings

(Fig. 3-52, 6) into the slave cylinder mounts (7) on

each side of the boom assembly. Orient the

fracture (3) in the outer race of each bearing at the 3

o’clock position. Press the bearings into position until

the edge of the outer race (4) of each bearing is

flush with the edge of the plate (5).

6. Install new 1/8 NPT male thread self tapping straight

grease fittings (Fig. 3-52, 8) into the lift/lower

cylinder mounts (2) and the slave cylinder

mounts (7) on the outer boom. Tighten all the

grease fittings.

Figure 3-52 Install Lift/Lower and Slave

Cylinder Bearings

Note: Slings and a hoist are required to perform the

following step.

7. Position the extend/retract cylinder (Fig. 3-53, 1)

with the extend and retract port elbows facing down.

Place the rod end of the extend/retract cylinder (2)

through the extend/retract cylinder retainer at the

front of the outer boom. At the rear of the extend/

retract cylinder, align the hole in the base end of the

cylinder with the holes in the mounting ears (3)

under the outer boom.

8. Coat the base end cylinder pin with anti-seize

compound. Insert the base end cylinder pin

(Fig. 3-53, 4) through both mounting ears and the

base end of the extend/retract cylinder. Secure the

pin in place with a retaining ring (5) on each side of

the pin. Be sure the retaining rings are completely

seated in the grooves on each side of the pin.

Figure 3-53 Install the Extend/Retract Cylinder

9. Lift the rod end of the extend/retract cylinder

(Fig. 3-54, 1) far enough to insert the threaded stud

on the rubber bumper (2) into the hole in the extend/

retract cylinder retainer (3). Secure the rubber bumper

in place with a new 3/8-16 elastic locknut (4). Tighten

securely. Lower the rod end of the extend/retract

cylinder, and allow it to rest on the rubber bumper.

MA9930

MA9940

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Skytrak 6042 Service Manual User Manual Page 68

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