SkyTrak 6042 Service Manual - Manual (Page 52)

Boom
3.6 Model 6042 Legacy Origin 7/02
14. Place an Accident Prevention Tag on both the
ignition key switch and the steering wheel, stating
that the vehicle should not be operated. (Refer to
Section 1.5, “Accident Prevention Tag Usage.”)
15. Allow the engine, transmission and hydraulic fluid to
cool before proceeding.
16. Disconnect the battery negative (-) cable at the
battery negative (-) terminal to prevent the engine
from starting accidentally.
17. Locate the two hoses (Fig. 3-7, 1) attached to the
base of the attachment tilt cylinder (2) inside the
gooseneck (3).
18. Label and remove the hoses (Fig. 3 -7, 1) from the
fittings (4) on the attachment tilt cylinder. Plug the
hose ends and cap the fittings on the attachment tilt
cylinder to prevent dirt and debris from entering the
hydraulic system and/or cylinder.
Figure 3-7 Attachment Tilt Cylinder Hoses
19. Label and remove the two hoses (Fig. 3-8, 1) from the
bulkhead fittings (2) inside the gooseneck (3). Plug
the hose ends and cap the bulkhead fittings to
prevent dirt and debris from entering the hydraulic
system.
If you are replacing the inner boom with a new inner
boom: Remove the female coupler, male nipple and
bulkhead fittings from the bulkhead plate inside the
gooseneck.
Figure 3- 8 Auxiliary Hydraulic Hoses
20. Inside the inner boom, loosen but DO NOT remove
the two capscrews (Fig. 3-9, 1) securing the left side
wear pad and hose clamp support bracket (2) to the
top of the inner boom.
21. Remove the two capscrews (Fig. 3 -9, 3), two
lockwashers (4) and two flat washers (5) holding the
stack clamps (6) and hose clamp support bracket (2)
to the left side of the inner boom. Remove the clamps
and the clamp support bracket from the inner boom.
WARNING:
Hydraulic fluid leaking under
pressure can penetrate the skin, cause infection,
gangrene, and death or serious personal
injury. If injured, see a doctor immediately.
Relieve all pressure before disconnecting any
component, part, line or hose. Slowly loosen
parts and allow release of residual pressure
before removing any parts or component.
WARNING:
Wait for the hydraulic fluid
to cool before servicing any hydraulic component.
Hot hydraulic oil can cause severe burns.
MH1740
2
4
1
3
MH0841
2
1 2
3