USER MANUAL SPIERINGS TRUCK AT4
AT4-EN-041115.doc
Table 1 - Belt tension "12.5 mm" V-belts in Newton (N)
New V-belt
Adjustment tension 900 1200 500 600
(1) Encased V-belts can be recognized by the textile fabric present in the rubber, at the inside as well as at the V-belt flanks. Construction:
without teething.
(2) V-belts with open flank can be recognized by the flanks and inside, at which opposite to the belt's top side, there is no textile fabric in
the rubber (ground belt flank). Construction: with or without teething.
(3) After mounting a new V-belt the pre-tension must be adjusted to the adjustment tension. After the test drive the pre-tension must at least
equal the check tension. If necessary, adjust to the check tension.
(4) If the worn-in V-belt is below the "lowest tension" it must be adjusted to the adjustment tension.
4.9.2. Adjust the V-belts
Adjust the dynamo and water pump drive V-belt tension:
1. Unscrew the spindle lock nut (2), fixing bolt (1) and the dynamo fixing
bolts (5) and (7).
2. Unscrew bush lock nut (3) and turn the bush (4) until the correct V-belt
tension is achieved.
3. Retighten the fixing bolts and lock nuts.
Picture 4-23
4.9.3. V-belt replacement
By turning the V-belt tension unit fully back, the belt can be removed and replaced by a new one. Meanwhile
check the V-belt pulleys for damage, rust and grease deposit.
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