Big Joe PDSR 30, Installation, Operation, Maintenance & Repair Parts

Page: 64 / 172

9-14 BL-PDSR 30-0319 - 03-07-2019
9-2.7.3. Installation
1. Position the cylinder on scissors base and secure
with screw and shaft.
2. Position the cylinder on scissors and secure with
screw and shaft.
3. Reconnect the tube to the cylinder.
4. Operate the leading button to refill the cylinder
and lines with hydraulic oil.
5. Check level of hydraulic oil
.
If required
,
add
hydraulic oil to bring to proper level. Use hydraulic
oil listed in
Table 3-2 .
6. Install the compartment covers as described in
paragraph
5-2.
9-2.8. Tilt Cylinder
9-2.8.1. Removal
1. Fully lower the lift carriage.
2. Engage the emergency stop switch and turn off
key switch.
WARNING: Before attempting any replacement,
make certain power is disconnected.
WARNING: Support shifter side assembly before
performing the following steps .
3. Remove screw, shaft from the scissors assem-
bly.
CAUTION: Hydraulic oil can damage parts. Wipe off
any oil immediately. Provide a container
under the line or fitting before discon-
necting.
4. Disconnect the hose from the reach cylinder.
WARNING: Support tilting cylinder before performing
the following steps to prevent cylinder
from falling.
5. Remove two screws, lock washer and flat washer
from the fork weldment.
6. Remove cylinder and out of truck
Figure 9-11 Tilt Cylinder
9-2.8.2. Repair
CAUTION: To prevent damage, use proper pipe
clamp vise. The cylinder will be distorted
if the vise is tightened too much.
1. Secure the cylinder in a vise, clamping lightly at
the base of the cylinder.
2. Remove gland nut.
3. Remove wiper ring, O-ring, seal and O-ring
from gland nut.
4. Pull out piston rod.
5. Remove guide ring and seals from piston rod.
6. Coat all parts with hydraulic oil ( Table 3-2 ).
7. Install guide ring and new seals on piston rod.
8. Insert rod in cylinder tube.
9. Install wiper ring, O-ring, seal and O-ring on
gland nut.
10. Install gland nut in cylinder tube.
DR_0019