Molnar M245-A - TROUBLE SHOOTING; Shuddering, Abrasion, or Groaning Sounds; Hoist Stability and Locking Issues; Lifting and Motor Performance Problems

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TROUBLE SHOOTING
Q
!
A
Shuddering/shaking
or sound of abrasion
from posts during
raising or lowering.
Guide Blocks Dry
Guide Blocks Worn
Apply General Purpose Grease to Guide
Tracks.
Replace Guide Blocks
Vehicle Weight is too far
towards the front of the hoist.
Lower vehicle and reposition, refer to
Positioning Vehicles section.
Groaning sound
Balance Cables are too tight
Pulleys require lubrication
Refer to Balance Cable Adjustment section for
procedure or contact Service Technician
Lubricate Pulleys
Hoist not staying up
Release Lever Sticking
Lubricate Release Lever Pivot
Contaminated Oil blocking
valves
Change Oil
Faulty Valve
Locks Not Engaging
Contact Molnar Hoists
Contact Molnar Hoists
Hoist will not lift to
maximum height
Low hydraulic oil level
Check Oil Level and check for leaks; top up
oil.
Hoist Not Locking
Hoist won’t lock in low height
Damaged or missing
components
Hoist must be raised a minimum of 350mm for
Carriage Locks to engage
Replace components
Lock catching on
non-control side only
Lock release cable out of
adjustment
Lock release cable out of faulty
Lock release lever not pulled
down far enough
Adjust lock release cable
Adjust lock release cable
Pull lever down fully when lowering
Lock catching on
control side only
Lock release cable set too tight
Adjust lock release cable
Carriages not
synchronising
Balance cables need adjustment
Refer to Balance Cable Adjustment section for
procedure or contact Service Technician.
Balance cables need replacing
Worn or Damaged pulley(s)
If balance cable(s) are damaged, contact a
Service Technician to replace.
If balance cable pulley(s) need replacing,
contact a Service Technician.
Oil from fitting
Fitting is loose
Fitting has been overtightened/
is faulty
Tighten fitting correctly
Replace fitting