alkitronic H Series Руководство по эксплуатации и техническому обслуживанию - Страница 14
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Operation and Maintenance Manual
Trouble Shooting
Problem
Tool does not rotate
Tool will not build pressure
Tool is leaking oil
Tool is rotating; piston must have been
retracted
Tool is rotating, while piston retracts
Tool does not rotate sequentially
Tool pops off nut
Probable Cause
1. Connections are not attached
properly
2. Damaged joint couplings
3. Damaged hose connection
4. Inspect the hydraulic power unit for
contamination or foreign particlest
5. H-AT drive latch or ratchet teeth hea-
vily contaminated
6. Damaged H-AT ratchet or drive latch
1. Cylinder does not retract
2. Motor coupling of hydraulic pump is
damaged
3. Defective cylinder sealing
4. Defective sealing at the hose cou-
pling unit
1. Damaged O-seals
2. Defective joint couplings
1. Connections improperly installed
1. Defective drive plug
1. Loose or defective connection
2. Damaged joint couplings
3. Operator initiated next stroke, before
oil had flown back into the tank. Piston
could not retract to starting position
4. Broken drive plug
1. Improper reaction support
14
Solution
1. Coupling/nipple must be engaged
completely
2. Replace joint couplings
3. Replace hose couplings
4. Clean or remove hydraulic power
unit
5. Clean or remove
6. Replace
1. Check connections
2. Replace couplings
3. Replace sealings
4. Replace sealings
1. Replace sealings
2. Replace joint couplings
1. Make sure, advance or return coup-
lings are installed correctly (Page 10,
Item 4.1)
1. Replace drive plug
1. Coupling/nipple must be connected
properly or replaced
2. Replace joint couplings
3. Wait until oil flows back into the tank
of the pump and the piston has reached
starting position
4. Replace
1. Always react in plane with the support
DMA and the square drive inserts (see
Page 7, Item 3.3 / Page 8, Pkt. 3.5.1 - Sup-
port of reaction moment).
Consult your alkitronic® Partner to see if
a custom reaction or another alkitronic®
Hydraulic Torque Wrench is better suited
for the particular application