Inspection- And Maintenance Instructions; Operating Failures And Their Causes - Columbus McKinnon Yale ZWW Serie Traduction De Mode D'emploi

Wall mounted rack and pinion jack

Inspection- and Maintenance Instructions

Safety Instruction
Before carrying out inspection and maintenance works, discharge the jack appropriately.
Inspection Intervals
daily
quarterly
annually
every 2 years
1)
i. e. by CMCO service department.
The working life of the jack is limited; wearing parts have to be replaced in good time.
Operating material / Recommended lubricant
Rec. lubricant for all lubricating points:
• multipurpose grease according to DIN 51825 T1 K2K
• or decomposable lubricant (approx. 80% after 21 days)
e.g.: BECHEM UWS Multigrease VR 1-2 acc. to DIN 51 502 K 2 G - 20
Waste lubricant has to be disposed according to the legal regulations!

Operating failures and their causes

failure
In unloaded state, it is difficult
to turn the crank
Load is not held
Brake does not release, load
may only be lowered with high
2)
expenditure of force .
2)
only the design with safety crank (=SIKU)!
Disposal:
After having placed out of service, the parts of winch have to be recycled or disposed
acc. to legal regulations!
Technische Änderungen vorbehalten
Maintenance- Inspection Works
Visual examination of the block, pinion and crank,
Function of the winch,
Function of brake (self-socking)
Control lubricant and the worn out of the worm gear (jack with worm gearing)
Check safety spring crank for brake function and wear.
Check the safety crank, if necessary, have the brake discs or the complete safety crank
replaced by a competent person
• If the gap between set collar and crank eye is more than 10 mm, the brake
discs are worn out or the brake is defect.
• Grease the thread between set collar and crank eye.
Attention: No lubricant must be brought to the brake discs and their
stopping faces.
Check the fixing screws for firm seat,
Check all parts of the jack and crank for wear. If necessary, replace defect parts,
Check name-plate for lelegilibity
Arrange for an examination by a competent person
replace lubricant. Open the gear, remove the old lubricant refill new lubricant, seal the
housing and re-assemble the gear. Only by authorised personnel
cause
Lubricant in bearing points and
gearing is missing,
Winch was distorted during
mounting
Load direction is false, winding di-
rection for lifting was not correct
brake is worn-out
too light load
Brake discs or brake mechanism
is distorted.
Design changes under reserve
1)
.
1)
.
CEC Test L-33 T-32
Execute maintenance works
Check the fixing. Is the mounting surface
even, are the screws tightened correctly?
Check the right load direction.(see picture on
page 7)
check brake parts and replace worn-out parts
load has to be higher (see on page 7)
Release the brake by slightly striking against
the crank arm with the flat of the hand in
lowering direction
Sous réserve de modifications techniques !
1)
.
elimination
2)