12
SRWH-Series | Version 1.01
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!
Step 3: When the used oil is completely drained, fill with
new hydraulic oil. Use only new, clean hydraulic
oil, viscosity class "ISO VG 15", volume 260 ml.
Step 3: Loosely screw in the oil filler plug and vent the
hydraulic system.
Step 4: Screw in the oil filler plug tightly and check the
function of the floor jack.
11 Troubleshooting
ATTENTION!
Only use hydraulic oil of the same type.
Never mix different types of oil.
NOTE!
The removed oil must be disposed of separately.
Information about this can be obtained from the lubri-
cant manufacturer.
Problem
Possible cause
Solution
The floor jack does not reach full
height.
1. Too little oil.
2. Drain valve not properly closed.
1. Top up with hydraulic oil.
2. Close drain valve.
Lifting arm lowers under load..
1. Drain valve not properly closed
2. Hydraulic oil contaminated.
3. Pump is leaking.
1. Close drain valve.
2. Contact customer service.
3. Contact customer service.
Lifting arm does not lower.
1. Pump cylinder clamped.
2. Defective parts.
3. Retention spring broken or unhoo-
ked.
4. Air in the hydraulic system.
Contact customer service.
The floor jack does not lift the defi-
ned load.
1. Drain valve not properly closed.
2. Too little oil.
3. Air in the cylinder.
1. Close the drain valve.
2. Top up hydraulic oil.
3. Venting the hydraulic system.
The floor jack loses oil.
Worn or damaged seals.
Contact customer service.
Spongy pumping.
1. Too little oil.
2. Air in the cylinder.
1. Top up hydraulic oil.
2. Venting the hydraulic system
Summary of Contents for 6201121
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