HYDRAULIC WORKHOLDING
▪
MACHINE VISES
▪
ZERO POINT MOUNTING
QUICK DIE CHANGE
▪
QUICK MOLD CHANGE
▪
MAGNETIC CLAMPING
PRODUCTS FOR ASSEMBLING
CARR LANE ROEMHELD MFG. CO.
6 |
H I L M A
B.
TROUBLE SHOOTING GUIDE
If a problem arises with the unit, the following guide should help to make an
accurate diagnosis and offer a proper remedy:
SYMPTOM
CORRECTIVE ACTION
Pump will not cycle
after extended no-
flow period.
•
Check that supply air pressure exceeds 50 psi.
•
Check that Air Cap valve spool is not stuck in mid position; if
so, disconnect and reconnect the air supply to reset the
spool to its default position.
Pump brings
system up to
normal operating
pressure but
"chugs"
intermittently.
•
Check all system components for leaks, including valve or
cylinder that may be bypassing internally.
•
If symptom is coupled with evidence of fluid leakage from
the air cap muffler, then internal rod seals are worn
excessively; repair/replace without delay to prevent internal
damage to the pump (Note: This condition is always caused
by contaminated oil).
Pump will not cycle
Pump “short”
cycles
•
Air limit valve in Air Cap failed. Replace.
•
Air limit valve in Hydraulic Body failed. Replace.
Pump cycles but
does not generate
pressure.
•
Pump is air bound; check fluid reservoir level and bleed.
•
Pump internal check valves are jammed with foreign
material; remove and clean; be sure that reservoir does not
contain any foreign material.
Pump Air Cap
leaking air
continuously.
•
Leak from muffler; spool valve seals worn or contaminated;
clean/replace seals.
•
Leak from 4-way air valve cap; stem seals worn or
contaminated; clean/replace cap.
C.
RECOMMENDED SPARE PARTS
HCR-PA-11X10-Spare Parts List
Part Number
Decription
Qty.
HCR-U.10072.SPK
SPOOL KIT FOR P 100/20
1
HCR-HH-10017
2-WAY AIR VALVE ASSY
2
HCR-U.P100.DSK
DYNAMIC SEAL KIT FOR P 100/20
1
HCR-HH-P-SSK
STATIC SEAL KIT FOR P 100/20
1
HCR-HH-10016
AIR REGULATOR KIT FOR P 100/20
1
