IMT Diamond Air DA435ELW, Руководство по обслуживанию, Страница: 22 / 24

DA435ELW: 99900917: 5-6
LOW OIL PRESSURE
NO OIL PRESSURE
COMPRESSOR WILL NOT ENGAGE
COMPRESSOR ENGAGES BUT WILL NOT
PRESSURIZE TANK
COMPRESSOR DOES NOT RECOVER PRESSURE
AS FAST AS IT SHOULD
LOW OIL LEVEL
LOOSE PIPE PLUG ON OIL PUMP COVER
WORN OR DEFECTIVE OIL PUMP
CRACK OR SCRATCH ON OIL PUMP COVER
DEFECTIVE OIL PUMP
BLOCKED OIL PASSAGE
DAMAGED OIL PUMP DRIVE PIN
BLOWN FUSE IN PRESSURE SWITCH CIRCUIT
DEFECTIVE CLUTCH/BELT
DEFECTIVE PRESSURE SWITCH
AIR LEAK IN PLUMBING
WORN PISTON RINGS OR VALVE PLATES
DEFECTIVE CHECK VALVE / VALVES
DEFECTIVE CHECK VALVE / VALVES
DIRTY FILTERS
LOOSE DRIVE BELT
AIR LEAK IN PLUMBING
WORN VALVE PLATES OR PISTON RINGS
FIGURE E-5. TROUBLESHOOTING CHART
5-7. TROUBLESHOOTING
19970508
4. Run a jumper wire from the battery positive
terminal to the now loose lead coming from the
clutch coil. Insulate the connection point from
welder frame. This will engage clutch coil.
5. Remove the bolt in the center of the pulley and
insert a 5/8-11 bolt.
6. Tighten the 5/8-11 bolt until the pulley is forced
off the crankshaft.
7. Remove the pulley and disconnect temporary
jumper wire.
8. Remove the four (4) bolts holding the coil
assembly to the front of the compressor.
To reinstall the clutch:
1. Position the magnetic coil assembly over the
front bearing housing and secure the assembly with
the 1/4-20 bolts. Torque to 85-120 in-lbs.
2. Insert the woodruff key into the crankshaft slot.
3. Slide the pulley, spacer, and lock washer onto
the end of crankshaft. Be certain that the pulley slot
aligns with the woodruff key. Secure them with the
5/16-18 bolt.
4. Rotate the pulley assembly manually to check
for interference between the pulley and the coil. If
there is interference, disassemble the clutch and
repeat the procedure.
5. Connect a temporary jumper wire from the
battery positive terminal to the loose lead from the
clutch coil lead.
6. Tighten the center bolt in the pulley.
7. Remove battery jumper at clutch in-line
connector. Reconnect clutch coil wire at in-line
insulated connector.
8. Install and tighten the drive belts. See
compressor drive belt replacement procedure section
5-5.
9. Install access panel (below radiator) and test the
unit for proper operation.