The lowering and locking
solenoid valves stay opened.
Verify that solenoid valve
sliders are not blocked
Platforms do not stop in
standing position
Leakage in the hydraulic
pipelines.
Check connections for proper
tightening and tubes for
damage (replace if damaged).
At least two hydraulic
cylinders are faulty
Check and replace if needed
Presence of air in the hydraulic
system
Bleed the hydraulic system
The lift does not lower
smoothly
Leakages or presences of air
into hydraulic circuit
Bleed the hydraulic system
Lifting is not synchronized
The safety height limit switch
does not work
Check the limit switch and
replace if needed
The lift does not stop at safety
height
The maximum height limit
switch does not work
Check the limit switch and
replace if needed
74
Содержание 300 SPECIAL
Страница 14: ...Figura 4 LAYOUT PSS MONOFORBICE WITH ESTENSION 51 ...
Страница 15: ...Figura 4a LAYOUT PSS MONOFORBICE WITH FLAP 52 ...
Страница 16: ...Figura 4b LAYOUT PSS MONOFORBICE ESTENSION WITH FRAME 53 ...
Страница 17: ...Figura 4c LAYOUT PSS MONOFORBICE FLAP WITH FRAME 54 ...
Страница 21: ...Figure 7 ELECTRICAL DIAGRAM 58 ...
Страница 29: ...Figure 16 HIDRAULIC HOSE CONECTION 66 A B F C ...