Yale
Electric Chain Hoist - CPV/F
®
12
8.5 MAINTENANCE TROLLEYS
In particular check the following parts:
• Side plate: For cracks or deformation in particular around
the areas of screwed connections.
• Trolley wheels: Visually check for cracks and wear on trolley
wheel flanges. Grease the transmission.
• Crossbars: In particular around threaded areas for cracks.
• Fasteners: Check nuts, screws & locking devices for tightness.
8.6 MAINTENANCE OF OVERLOAD PROTECTION DEVICE
Overload protection device
The unit is equipped with an overload protection device as
standard. This device is factory set to 135% +/-10% of the rated
capacity and prevents overloading of the hoist during lifting of
loads. Adjustment and testing of the overload device may only
be carried out by authorised competents persons.
The force-limit factor according EN 14492-2:2006 amounts
o
DAL
= 1.35. The maximum force occurring when the rated
capacity limiter operates will be calculated as:
F
LIM
= (
o
DAL
x m
RC
+ m
H
-m
RC
) x g
o
DAL
= 1.35
m
RC
= Rated capacity of the hoist (kg)
m
H
= Hoist load (kg)
Hoist load m
H
: Load which includes all the masses of an equal
load to the rated capacity of the hoist, the hoist medium and
the fixed load lifting attachments, e.g. hooks, grabs, magnets,
lifting beams, vacuum lifters.
g = Acceleration due to gravity (9.81) m/s
2
Adjustment of overload device (Fig. 16.1)
Attention:
The adjustment of the overload device device may
only be done by authorised, competent personnel.
Attention:
During this job, the hoist remains operable which
can result in danger of injury by rotating parts.
• Loosen the four socket screws (1) of the fan guard (2).
• Take off fan guard (2) and remove snap ring (3), fan (4) and
key (5).
• Loosen the adjusting nut (6) with a pin type face wrench acc.
to DIN 3116 in anti-clockwise direction until blocked.
• Turn the adjusting nut in a clockwise direction, until the test
load is raised.
Attention:
The max. operating time of the overload device is
60 seconds. Thereafter, the unit has to cool down to room
temperature (minimum of 20 minutes).
• Reassemble in opposite sequence.
8.7 MAINTENANCE OF GEARBOX
The gearbox is practically maintenance-free. Service is therefore
reduced to changing the oil.
Oil change (Fig. 16.2)
The gearbox oil should be changed after every 10 years,
however, latest after 800 operating hours (oil volume see table 4).
Attention:
During oil change the electric power supply must be
shut off.
Disassemble the gear cover (item 2) by removing the cylinder
screws (item 1). Place the hoist horizontally and turn so that
the oil can drain from the fill hole into a suitable container
(approx. 30 mins). Replenish the gearbox oil. We recommend
a mineral oil viscosity class ISO-VG 320, e.g. FINA GIRAN L 320.
Finally, re-adjust the device with new gasket.
Fig. 16.1
Fig. 16.2
Tab. 4
Model Oil volume
CPV/F 2-8, 5-4, 5-8, 10-4 0.3 litre
CPV/F 10-8, 20-4 0.3 litre
Yale
CPV/F
®
