DL-300 BULLETIN
03/2011
DC1-3
SYSTEM INSTRUCTIONS—MAINTENANCE
TROUBLESHOOTING (continued)
CONDITION
CAUSE
C. System will not 1. Wiring not correct.
start.
2. Micro switch on reversing valve broken.
3. Timer damaged.
4. Motor starter overload tripped.
D. One-way coup- 1. Broken aspring in U-9792CCW clutch
ling slipping.
coupling. (DC41 & DC42 only).
2. Motor running in wrong direction.
(CS1000, CS2000, DC41, and DC42 only).
E. System builds 1. Lube viscosity too high.
too much
pressure.
2. Main line pipe too small.
3. DR4 type hydraulic reversing valve pressure
is set too high
4. DR2 type hydraulic reversing valve gear
sector teeth broken or pilot piston scored
and binding.
5. Pressure control switch U620-D1 or U663-6
is erratic in operation. (DC41 only)
F. Measuring valves 1. Valves dirty.
will not operate.
2. Bent indicator stem.
3. Packing too tight.
4. Mounting screws too tight.
5. High resistance in bearing.
REMEDY
1. Check–see wiring diagram inside timer.
2. Replace.
3. Check per timer section.
4. Reset.
1. Replace
2. Change wiring to motor–pump must turn
clockwise from drive end.
1. Change to lighter lube.
2. Replace with larger pipe.
3. Reset reversing valve pressure.
4. Turn adjusting screw until it falls inside valve.
Then remover cover. If sector arm will not move
in either direction by hand,the sector teeth are pro-
bably broken or the piston is scored and binding.
Return to factory for repair.
5. Clean
1. Clean.
2. Replace
3. Ream packing with drill same size as indicator stem.
4. Back off.
5. Apply hand gun to bearing inlet to see if bearing is
drilled or reamed properly.
BIJUR DELIMON INTERNATIONAL
2685 Airport Road • Kinston, NC 28504
Tel. 800-227-1063 • Fax: 252-527-9232
website: www.bijurdelimon.com
