Inspecting The Functionality Of The Pump; Draining, Flushing, And Refilling The Pump Reservoir - Bosch JLR-100-069 Original Instructions Manual

en-gb | 33 | JLR-100-069
5.10 Inspecting the Functionality of the
Pump
1. Clean the entire area around the filler plug (26).
2. Remove the filler plug (26) from the pump (10).
3. Check the level of the hydraulic oil.
The level of the hydraulic oil should be 12.7 mm
(1/2 inch) below the hole when the hydraulic
cylinders (37) are lowered.
4. If necessary, perform steps 6 through 9 in section
Hydraulic Oil to refill the pump reservoir with
hydraulic oil.
5. Inspect the pump reservoir for leaks caused by
damage to the reservoir.
6. If necessary, perform steps 1 through 3 in section
Compressed-Air Supply to connect the
compressed-air supply to the scissors lift table.
7. Completely raise and lower the platforms (3) and
(4) without any loads on the scissors lift table
once.
Press the end of the pedal marked "PUMP" (11)
to raise the platforms (3) and (4).
Press the lever (2) to release the mechanical lock
(17). Simultaneously press the end of the pedal
marked "RELEASE" (9) to lower the platforms (3)
and (4).
Ensure that the platforms (3) and (4) are only
raised or lowered when the pedal is pressed.
WARNING
Risk of Personal Injuries!
If the platforms continue to move after the pedal
has been released, the scissors lift table is
severely damaged and can cause serious personal
injuries or severe damage to materials.
Take the scissors lift table out of operation
immediately and call the service hotline.
The pedal may briefly vibrate when pressed. This
is normal and presents no danger.
SP04006297 | 06/2021
5.11 Draining, Flushing, and Refilling
the Pump Reservoir
1. Perform steps 1 through 5 in section
Hydraulic Oil to drain the hydraulic oil out of the
pump reservoir.
2. Perform steps 1 through 3 in section
Compressed-Air Supply to connect the
compressed-air supply to the scissors lift table.
3. If necessary, unlock the padlock on the ball valve
(19). Twist the ball valve (19) until it is parallel to
the bottom frame (7) to release the platforms (3)
and (4).
4. Simultaneously press the end of the pedal
marked "PUMP" (11) and the air intake valve with
a flathead screwdriver. The air intake valve is
located directly beneath the pedal.
The pedal may briefly vibrate when pressed. This
is normal and presents no danger.
5. Run the pump (10) for approximately 15 seconds.
The pump is primed when the hydraulic cylinders
rise. If the pump does not respond, repeat the
procedure.
6. If necessary, perform steps 6 through 9 in section
Hydraulic Oil to refill the pump reservoir with
hydraulic oil.
Bosch Automotive Service Solutions GmbH
Am Dörrenhof 1
85131 Pollenfeld-Preith
Germany