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Troubleshooting
Fig. 9: Oil filler plug
Step 4: Screw the oil filler plug back in. Check the func-
tion of the floor jack.
Step 5: Vent the hydraulic system (see "Venting").
Oil changing
To ensure that the floor jack functions correctly, carry
out an annual oil change.
Step 1: Move the floor jack lifting arm to the lowest posi-
tion.
Providing an oil collecting container.
Step 2: Remove the tool tray. Open the oil filler plug and
allow the oil to drain into the container. Ensure
that no contamination can get into the hydraulic
circuit!
11 Troubleshooting
Problem
The floor jack does not reach full
height.
Lifting arm lowers under load..
Lifting arm does not lower.
The floor jack does not lift the defi-
ned load.
The floor jack loses oil.
Spongy pumping.
12
Step 3: When the used oil is completely drained, fill with
Only use hydraulic oil of the same type.
Never mix different types of oil.
Step 3: Loosely screw in the oil filler plug and vent the
Step 4: Screw in the oil filler plug tightly and check the
The removed oil must be disposed of separately.
Information about this can be obtained from the lubri-
cant manufacturer.
Possible cause
1. Too little oil.
2. Drain valve not properly closed.
1. Drain valve not properly closed
2. Hydraulic oil contaminated.
3. Pump is leaking.
1. Pump cylinder clamped.
2. Defective parts.
3. Retention spring broken or unhoo-
ked.
4. Air in the hydraulic system.
1. Drain valve not properly closed.
2. Too little oil.
3. Air in the cylinder.
Worn or damaged seals.
1. Too little oil.
2. Air in the cylinder.
new hydraulic oil. Use only new, clean hydraulic
oil, viscosity class "ISO VG 15", volume 260 ml.
ATTENTION!
hydraulic system.
function of the floor jack.
NOTE!
Solution
1. Top up with hydraulic oil.
2. Close drain valve.
1. Close drain valve.
2. Contact customer service.
3. Contact customer service.
Contact customer service.
1. Close the drain valve.
2. Top up hydraulic oil.
3. Venting the hydraulic system.
Contact customer service.
1. Top up hydraulic oil.
2. Venting the hydraulic system
SRWH-Series | Version 1.01
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