Maintenance
T01032GB.fm 37
5.8.1 Adjusting the V-belt tension
Remove belt guard. Loosen nuts situated on the motor V-belt pulley
and remove outer V-belt pulley half. Remove necessary number of
shims (the removal of one shim is usually suffecient). Install the remo-
ved shims on the outside of the V-belt pulley. (If one shim is removed,
install it on the outer half of the pulley, if two, one on the outer and one
on the inner V-belt pulley half, etc.). Thus V-belt alignment is maintai-
ned. Install spring washer in a way such that the large collar comes to
lie on the motor V-belt pulley. Loosen nuts and under continual rotation
of the engine V-belt pulley tighten nuts alternately. Allow engine to run
for a short while, if necessary retighten nuts.
5.8.2 Lubricating the exciter
On delivery of the machine, the exciter is filled with oil. Change oil after
every 250 hours of operation, use 0,75 l Oil (see technical
specifications). For this purpose place the vibration plate on level
ground. Remove drain plug situated on the outside of the vibration
plate. Correct oil level = lower edge of threaded bore. If necessary,
remove the extension plate before draining the oil. This will avoid
unwanted spillages. The oil level should reach no higher than the
lowest art of the thread in the filler opening when refilling oil.
Screw sealing plug back in and tighten firmly (torque setting = 100 Nm
or 73.78 ft. lbs.).
5.9 Hydraulic control
When checking the oil level in the motor and exciter, also check oil
level in the centre pole head and top up if necessary. Top up to mark
when centre pole is placed in vertical position. If there is too much oil
in the centre pole head the reverse motion is hard to engage, if the
quantity of oil is insufficient the advance speed is reduced. We use
hydraulic oil (see Technical Specifications), suitable also for low
temperatures, in the hydraulic systems as standard.
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