SkyTrak 8042 Service Manual - Manual (Page 575)

Hydraulic System
8.160 Model 8042, 10042, 10054 Legacy Rev. 10/03
8.13.11 Swing Carriage (Optional)
The optional swing carriage provides a way to swing the
carriage attachment from side-to-side. The swing
carriage includes two cylinders (1) that operate together
to provide the side-to-side motion.
a. Swing Carriage Cylinder Removal
1. Level the boom (place the boom in a horizontal
position).
2. Swing the carriage to the centered position.
3. Lower the boom until the carriage is resting firmly on
the ground.
4. Place the travel select lever in (N) NEUTRAL, place
the neutral lock lever in the (N) NEUTRAL LOCK
position, engage the park brake switch and shut the
engine OFF.
5. 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 Tags.”
6. Unlock and open the rear door. Allow the hydraulic
fluid to cool.
7. Remove all dirt and grease from the swing carriage
cylinders (2) and their hydraulic lines (3 and 4).
8. Label or otherwise mark the hydraulic lines (3 and 4).
9. Disconnect and cap all hoses and fittings, etc.
10. Use a sling and hoist or other suitable lifting device
to support the cylinders (5). Remove the bolt (6) and
nut (7) holding the center mounting pin (8) to the
pivot mount (9). Remove the pin.
11. Remove snap rings (10) and cylinder base end pins
(11) from the mounting plates on carriage (12).
12. Identify and mark the location of the 1-1/2" I.D.
shims (13) at the base end of the cylinder.
13. Remove the cylinders (5) from the pivot mount (9)
and the mounting plates (12) using a strap sling and
hoist or other suitable lifting equipment. While
removing the cylinder(s), identify the locations of the
2" I.D. shims (14) at the rod end(s) of the cylinder(s).
DO NOT lose the bearing(s) (15), which may be
loose, in the cylinder rod end(s).
14. Wipe up any hydraulic fluid spillage in, on, near and
around the vehicle. Disconnect and cap all hoses
and fittings, etc.
WARNING:
Hot hydraulic fluid can
cause severe burns. Wait for hydraulic fluid to
cool before servicing any hydraulic component.
WARNING:
Escaping hydraulic fluid
under pressure can penetrate the skin, causing
death or serious injury. Relieve hydraulic
pressure before servicing any hydraulic
component.
MT2450
1
E
X
X
R
MT1960
2
3
4
2
MT1970
5
6
7
8
9
10
11
12
13
14
5
15
14
15
10
14