Form 403122
Page 5
ASSEMBLY
To reassemble, perform DISASSEM-
BLY procedures in reverse.
IMPORTANT
To prevent damage to pump gland
packing and to help increase packing
life, lube pump piston rod before
assembly. Thread piston rod through
gland packing when assembling
pump.
REPAIR
Repair is limited to replacememt of
listed service parts. Special procedures
and tools are required. Contact Lincoln
Technical Service, One Lincoln Way,
St. Louis, MO 63120-1578, (314)
679-4200 Ext. 782 for your nearest
authorized service center.
When ordering replacement parts, list:
part number, description, model
number and series letter.
ACCESSORIES
Model 84980
Hydraulic Operated
Vent Valve
Model 84990
Hydraulic Operated
Vent Valve Assembly
Model 84616
Drum Cover and
Tiedown Assembly
245530
Viton/Teflon
Packing Kit (For
Pumping Synthetic
Lubricants)
Model 85530
Controller
Model 249605
Cycle Timer/
Coil Assembly
Model 84015
24 VDC Timer
Model 69630
Pressure Switch
83001
Lower Pump Tube
Repair Kit
PUMP PRESSURE BUILDS VERY
SLOWLY OR NOT AT ALL.
A. No pulsing signal at SV2.
B. Pressure reducing valve may be set
too low.
C. Grease viscosity may be too high for
temperature at which pump is
operating.
D. If pressure is not building at all,
SV2 may be inoperative.
E. Pump piston ball checks and inlet
checks may have foreign matter
trapped causing leakage. Remove,
inspect and clean if necessary.
F. Inspect sealing surfaces between
upper and lower inlet checks.
Replace if rough or pitted.
G. Replace shovel rod if rough or pitted.
Replace shovel rod packing.
H. Inspect lubricant supply line for
leaks or breaks.
I. If hydraulic vent valve is used, check
for clogged orifice (Refer to page 3 &
page 6).
DISASSEMBLY
Refer to SERVICE PARTS for part
numbers and location. Bleed all
pressure from hydraulic and grease
L. Unscrew gland packing nut (12333)
from outlet body and remove all
gland parts.
M. Remove the priming tube (239719)
from the bushing extension (61273).
N. Extend plunger rod (11723) out of
bushing extension and unscrew
priming plunger (11724) to allow
removal of priming check parts and
plunger rod (11723).
O. Remove bushing extension (61273)
and unscrew plunger and bushing
assembly (90554) from pump tube.
Unscrew coupling nut (11345) from
plunger adapter (11344) to allow
removal of plunger and bushing
assembly intact, reducing the
chance of loosing ball stop (57027)
and check ball (66010).
Each clockwise turn will equal approx-
imately .3 seconds. Add the number of
turns clockwise to reach the approx-
imate desired timing. Some additional
adjustment may be necessary
depend-ing on the accuracy needed.
Use the light on the cycle timer to help
in setting the time. The light will turn on
when there is power going to SV2.
TROUBLESHOOTING
If the following procedures do not
correct the problem, contact a factory
authorized service center. When
submitting equipment to be repaired,
be sure to state the nature of the
problem and indicate if a repair cost
estimate is required.
PROBLEMS
CYLINDER PRESSURE GAUGE
DOES NOT REGISTER PRESSURE
.
A. No system pressure to the pump.
B. No 24 VDC signal at solenoids SV1
and SV2.
C. Pressure reducing valve set too low.
Increase setting by 1/2 turn to check
operation.
D. Primary solenoid valve SV1 may be
inoperative.
lines before disassembling pumps.
A. Disconnect hose assemblies
(241806 and 271598) from upper
portion of the pump.
B. Remove cylinder adapters and
gaskets (241961 and 241810).
C. Remove bolts and washers
securing cover to pump (50058 and
48083).
D. Remove cover and valve assembly
(241799 and 84970).
E. Using two wrenches, unscrew
coupling nut (241805) from pump
shaft end (11329).
F. Remove four upper bolts (50771)
and lock washers (68186), securing
mounting plate (241803) to the tie
rods (241804).
G. Remove hydraulic cylinder (241814)
and mounting plate (241803).
H. The hydraulic cylinder can be
disassembled from mounting plate
by removing four bolts (242048) and
lock washers (68186).
I. Tie rods (241804) can now be
removed from pump outlet body
(40537) by removing four lower bolts
and lock washers (50771 and
68186).
J. Unscrew pump tube from outlet body
(40537).
K. Extend pump piston rod (11340) out
of the bottom of outlet body (40537).
Place wrenches on piston end
(11329) and flats of piston rod
(11340) and unscrew piston rod.
Thread the piston rod through the
gland packing to allow removal of the
pump tube.
