Blue Giant BG E-Step, Руководство пользователя

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7-2.2. Installation
1. Install pump/motor assembly as described in
paragraph
7-2.1.
2. Reconnect hose to pump/motor assembly.
3. Connect electrical leads to motor and solenoid of
pump/motor assembly.
4. Fill the hydraulic reservoir. Use hydraulic oil listed
in
Table 2-2 .
5. Disengage the emergency power disconnect
switch and turn on key switch.
6. Operate the lift and lower buttons to refill the
cylinder and lines with hydraulic oil.
7. Check level of hydraulic oil. If required, add
hydraulic oil to bring to proper level. Use hydraulic
oil listed in
Table 2-2 .
8. Install the compartment cover as described in
paragraph
4-1.2.
7-2.3. Disassembly and Reassembly
1.
Remove the hydraulic pump/motor assembly as
described in paragraph 7-2.1.
2.
Refer to Figure 10-6 for disassembly and
reassembly.
7-3. LIFT CYLINDER
7-3.1. Removal
1. Engage the emergency power disconnect switch
and turn off key switch.
WARNING: Relieve pressure off the system prior to
opening any lines.
Before attempting any replacement, make certain
power is disconnected.
CAUTION: Hydraulic oil can damage parts. Wipe off
any oil immediately. Provide a container
under the line or fitting before
disconnecting.
2. Raise the platform high enough (24”) and block
the platform to get access to the hydraulic fitting
at the base of the cylinder. Make sure to securely
block the vehicle or use strong supports so that
the vehicle won’t lower down.
3. Remove five screws and remove the top mast
cover.
4. Raise the vehicle high enough from the floor so
that you can access the screw that secures the
cylinder to the mast. Make sure to securely block
the vehicle or use strong supports so that the
vehicle won’t fall down.
5. Pull the lift cylinder out from the top to repair as
needed.
WARNING: Support lift cylinder before performing
the following steps to prevent cylinder
from falling.
6. Remove the five screws and lock washers that
holds down the cylinder mount plate at the top of
the mast.
7. Carefully raise lift cylinder assembly up and out of
vehicle.
Figure 7-2 Lift Cylinder - Main
7-3.2. 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 lift cylinder in a vise, clamping lightly
at the base of the cylinder.
2. Remove gland nut ( Figure 7-2 ).
3. Remove dust seal from gland nut.
4. Pull out piston rod.
5. Remove snap ring and piston from rod.
6. Remove snap rings, seals and backup ring from
piston.
7. Coat all parts with hydraulic oil ( Table 2-2 ).
8. For assembly Install in reverse order of removal.
7-3.3. Installation
1. Install lift cylinder assembly in reverse order of
removal.
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