Sonic Equipment 48034 Instrucciones página 6

Description
Trouble
Jack does not lift
Jack lifts only partially
Jack advances slowly
Jack lifts load,
but doesn't hold
Jack leaks hydraulic oil
Jack will not retract
Jack retracts slowly
|
S O N I C - E Q U I P M E N T . C O M
48034 Handleiding.indd 6 48034 Handleiding.indd 6
Cause
Release valve is open
Low/no hydraulic oil in reservoir
Air locked system
Load is above capacity of jack
Too much or not enough hydraulic oil
Pump not working correctly
Leaking seals
Release valve not working correctly
Worn or damaged seals
Release valve is closed
Return spring is damaged
Link section is binding
Ref. Cap.
48034 3000KG 505
Turn the valve clockwise tightly
Refill the jack to the correct level of oil
Bleed the system
Use correct equipment
Check hydraulic oil level
Rework pump
Replace seals
Inspect valves, replace it if necessary
Replace seals
Open the discharge valve by turning
the sleeve counter clockwise
Replace return spring
Lubricate link sections
Max. Min. A B
(mm) (mm) (mm) (mm)
75 Ø108 150
C D
(mm) (mm)
1275 678
23-07-2020 16:48 23-07-2020 16:48