Instruction Manual for Mobile Jacks
16
6.4
Check the hydraulic fluid level.
Hydraulic fluid load lift
Retract the piston rod [1] completely.
Disconnect the lift from the compressed air supply or the mains.
Remove the load lifting dipstick [7] by turning it, and check the hydraulic fluid level. If required,
fill with hydraulic fluid up to the mark.
Replace the dipstick.
Hydraulic fluid level return
Extend the piston rod [1] completely.
Disconnect the lift from the compressed air supply or the mains.
Remove the return dipstick [9] by turning it, and check the hydraulic fluid level.
If required, fill with hydraulic fluid up to the mark.
Replace the dipstick.
6.5
Perform a safety check.
The safety check must be performed by a specialist:
Prior to initial commissioning
Periodically after initial commissioning (at the latest yearly)
After a change in the installation location
After repair work and construction changes
The following items must be checked on the lift:
Quick reference guide
Name plate
Markings on the lift
Correct installation of the carriage
Tilt protections on the lift cylinder
Pull-out protection on the carriage
Condition of the load pick-up devices and controls
Condition of the support structure and the welding seams
Leak-tightness of the hydraulic system
Hydraulic fluid level
Connection cables/hoses
Perform a function test
Enter the result into an inspection log
6.6
Changing the hydraulic fluid
The fluid change requires:
Receptacle for the hydraulic fluid
Hydraulic fluid, class HLP, viscosity ISO-VG 10, 22, or 32 (e.g. HLP 22).
Information concerning the oil capacity. (
Specifications)
New O-rings. (
Spare parts catalog)
Hydraulic fluid load lift
Retract the piston rod [1] completely.
Disconnect the lift from the compressed air supply or the mains.
Remove the load lifting fluid drain plug [5] by turning it, and drain the hydraulic fluid.
Replace the fluid drain plug with a new O-ring.
Remove the load lifting dipstick [7] by turning it, and fill with new hydraulic fluid up to the mark.
Replace the dipstick with a new O-ring.
Hydraulic fluid return
Extend the piston rod [1] completely.
Disconnect the lift from the compressed air supply or the mains.
Remove the return fluid drain plug [8] by turning it, and drain the hydraulic fluid.
Replace the fluid drain plug with a new O-ring.
Remove the return dipstick [9] by turning it, and fill with new hydraulic fluid up to the mark.
Replace the dipstick with a new O-ring.
Summary of Contents for Junior Jack 0
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