JLG 534D-10 - Manual (Page 44)

Boom
3.16 534D-9, 534D-10 & 544D
Note: When adjusting cables, make sure the cables are
not turning.
13. Install the jam nut (12) to the adjusting nut and
torque to 100 lb-ft (135 Nm).
14. Refer to Section 3.5.2, “Cable Adjustments,” for
boom section specifications.
3.5.7 Tilt and Auxiliary Circuit Hose
Removal/Installation
Hoses that need replaced and are still in one piece can
be removed and replaced by simply connecting a union
to the fittings on the hoses being replaced and the new
hoses. Disconnect the hoses at the back of the boom and
pull them through the boom assembly until they are free.
You may have to remove the hose guard at the roller
assembly. Follow the procedure below if the above
procedure cannot be followed.
3.5.8 Hose Removal
1. Loosen the adjusting nuts (1) at the hose take-up
bracket to relieve the tension on the hose
assemblies.
2. Loosen the hose from the take-up bracket. Plug the
hose ends and cap the tube ends to prevent dirt and
debris from entering the hydraulic system.
3. From the rear of the boom, remove the hose guard
(2) for the hose being removed.
4. Loosen the hose from the bulkhead at the front of
the boomhead. Plug the hose ends and cap the tube
ends to prevent dirt and debris from entering the
hydraulic system.
5. Tie a rope to the hose end and through the rear of
the boom, pull the separated hose free of the boom
assembly.
3.5.9 Hose Installation
1. Tie a rope to the new hose end below the hose take-
up bracket below the third boom section.
2. Slowly pull the rope from the rear of the boom and
feed the hose around the roller and pull the hose
through the protective channels in the third boom
section to the boom head.
3. At the boom head, apply Loctite 545 ® to the hose
fittings at the bulk head, connect and torque the
hoses and install clamps.
4. Install the hose guard at the rear boom roller.
5. At the hose take-up bracket, apply Loctite 545 ® to the
hose fittings, connect and torque the hoses.
6. Tighten the hose take-up bracket adjusting nuts.
Ensure the 4 in. (101 mm) dimension (3) is held at
the hose area between the take-up bracket and the
first hose clamp.
MX0280
11
12
10
MX0120
1
MX0260
2 2
MX0290
3