AFF 5621SD Petunjuk - Halaman 3
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Halaman CetakINSTRUCTIONS - Model 5621SD - 20 TON LOW PROFILE AIR/HYDRAULIC BOTTLE JACK
2.5 For best performance and longest life, replace the complete jack oil at least once per year: W ith the ram
fully lowered, remove the oil filler plug, lay the jack on its side and drain the oil into a suitable container, then
fill with high quality hydraulic jack oil as described in 2.4, reinstall the filler plug.
NOTE: Dispose of hydraulic oil in accordance with local regulations.
2.6 It is recommended that an annual inspection be done by qualified technicians.
3.TROUBLESHOOTING
Symptom
Jack will not lift load
Jack will lift, but will not maintain
pressure
Will not lower after unloading
Poor lift performance
Will not lift to max height
Capacity
20ton
Possible Causes
Release valve not tightly closed
Overload condition
Air supply inadequate
Air trapped in system
Release valve not tightly closed
Overload condition
Hydraulic unit malfunction
Reservoir overfilled
Linkages binding
Hydraulic oil level low
Air trapped in system
Hydraulic oil level low
Min Height
Ram Travel
7.01"
3.35"
Screw Adj.
Max Height
2.40"
12.76"
Corrective Action
Close release valve firmly
Remedy overload condition
Ensure adequate air supply
Purge away air from system
Close release valve firmly
Remedy overload condition
Contact your local service center
Drain oil to proper level
Clean and lubricate moving parts
Add oil to proper level
Purge away air from system
Add oil to proper level
Air Pressure
Air Inlet Fitting
110-120 Psi
1/4" NPT