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Every 50 working hours - piston pumps
Check the oil level at regular intervals. This must be between the
maximum and minimum marks on the dipstick. The factory always
supplies a full pump.
Change the oil after the first 50 working hours. The subsequent changes
should be carried out every 150 hours or once a year.
Every 100 working hours - V-belt adjustment
Check/adjust the V-belt (A) tightness as follows:
1. Loosen the 2 x 3 fan retaining bolts either side.
2. Loosen the counter nuts of the adjustment screw either side.
3. Adjust the V-belt tightness on the two adjustment screws either
side, until the V-belts has obtained a suitable tightness. Tighten the
bolts equally in both sides.
4. The V-belt should yield 10-15 mm by a force of 10 N (1 kg) halfway
between the two pulleys.
5. Tighten the counter nuts again.
6. Tighten the 2 x 3 fan retaining bolts either side again.
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ATTENTION! Over-tightening the V-belts will increase load, wear
and tear on the pump and fan parts and bearings.
Every 150 working hours - Piston pump oil change
Change the oil afte the first 50 working hours and then every 150 hours
or once a year - which ever comes first.
Run the pump until it has reached normal operating temperature before
draining the oil
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Clean the pump and area around dip stick, and drain plug before
changing the oil
Fill with fresh oil to the level is between min. and max. on the dip stick.
Run the pump for a few minutes and verify the oil level again. Top up if
necessary.
6 - Maintenance
A
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