Lincoln FlowMaster C Series Product manual

FlowMaster rotary driven hydraulic
pump
Models 85480, 85481, 85482 and 85483, series “C”
Model 274055, series “B”
Installation and maintenance guide
Read manual prior to installation or use
of this product. Keep manual nearby for
future reference. Failure to follow
instructions and safety precautions may
result in death or serious injury.
DANGER
Date of issue August 2014
Form number 404593X
Section C8
Page 269X
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Contents
Safety ......................... 2
Explanation of signal words for safety . . 2
Inspection ....................... 3
Damaged pumps ................. 3
Description ..................... 3
General description ............... 3
Appropriate use .................. 3
Pump performance and
Specifications ................... 3
Installing the pump. . . . . . . . . . . . . . . 5
Operation ...................... 6
Setting the pump manifold and
flow controls .................... 6
Crankcase oil service interval
recommendations ................ 6
Dimensions ..................... 7
Troubleshooting ................. 8
Tools required for maintenance
repair and adjustment ............ 9
Maintenance and repair ........... 9
Exploded view ................... 21
Repair parts .................... 24
Warranty ....................... 27
Explanation of signal words
for safety
Safety
Read and carefully observe these installation
instructions before installing/operating/
troubleshooting the assembly. The assembly
must be installed, maintained and repaired
exclusively by persons familiar with the
instructions.
Install the assembly only after safety in-
structions and this guide have been read
and are completely understood.
Adequate personal protection must be
used to prevent splashing of material on the
skin or in the eyes.
Always disconnect power source (elec-
tricity, air or hydraulic) from the pump when
it is not being used.
This equipment generates very high
grease pressure. Extreme caution should be
used when operating this equipment as ma-
terial leaks from loose or ruptured compo-
nents can inject fluid through the skin and
into the body. If any fluid appears to pene-
trate the skin, seek attention from a doctor
immediately.
Do not treat injury as a simple cut. Tell at-
tending doctor exactly what type of fluid was
injected.
Any other use not in accordance with
instructions will result in loss of claim for
warranty or liability.
• Do not misuse, over-pressurize, modify
parts, use incompatible chemicals, fluids,
or use worn and/or damaged parts.
• Do not exceed the stated maximum
working pressure of the pump or of the
lowest rated component in your system.
• Always read and follow the fluid manufac-
turer’s recommendations regarding fluid
compatibility, and the use of protective
clothing and equipment.
• Failure to comply may result in personal
injury and/or damage to equipment.
Indicates a hazardous situation which,
if not avoided, could result in minor or
moderate injury.
CAUTION
Indicates a hazardous situation which,
if not avoided will result in death or
serious injury.
WARNING
Indicates a hazardous situation which,
if not avoided, will result in death or
serious injury.
DANGER
Indicates a hazardous situation which,
if not avoided, will result in death or
serious injury.
SAFETY INSTRUCTIONS
This is the safety alert symbol. It is used
to alert you to potential physical injury
hazards. Obey all safety messages that
follow this symbol to avoid possible
injury or death.
2
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Inspection
If over pressurizing of the equipment is
believed to have occurred, contact the fac-
tory authorized warranty and service center
nearest you for inspection of the pump.
Specialized equipment and knowledge is
required for repair of this pump. Contact the
factory authorized warranty and service
center nearest you for repair or adjustments
other than maintenance specified in this
manual.
Annual inspection by the factory author-
ized warranty and service center nearest
you is recommended.
A list of factory authorized warranty and
service centres is available upon request.
Damaged pumps
Any pump that appears to be damaged in
any way, is badly worn or operates abnor-
mally, shall be removed from use until
repairs are made. Contact the factory
authorized warranty and service center
nearest to you for repairs.
Description
A newer version of the FlowMaster pump
was introduced in July of 2008. These units
incorporate the following improvements:
• Bushing & plunger seals used along with
elastomer cup seals for longer life and
better high temperature operation.
• A crankcase oil dipstick
• Hardened and ground section on the re-
ciprocating tube for longer life and better
crankcase oil control.
• Hardened and ground pivot pin bushings
with a tighter fit into the pivot pin anchor.
• Improved pivot pin fastener with deeper
allen hex socket.
All of the improved parts can be used with
the older model pumps, so the upgraded
parts and subassemblies will now be
supplied to repair older model pumps.
Please see the Maintenance and repair
section, page 9 for a list of the new repair
kits and their proper application.
• 85480 - Pump for 120 pound drum
(16 gallon)
• 85481 - Pump for 60 pound drum
• 85482 - Pump for 400 pound drum
(55 gallon)
• 85483 - Pump for 5 gallon pail
• 274055 - Same as 85481 with solenoid
cable assembly
General description
During the down stroke, the pump cylinder
is extended into the grease. Through the
combination of shovel action and vacuum
generated in the pump cylinder chamber,
the grease is forced into the pump cylinder.
Simultaneously, grease is discharged
through the outlet of the pump. The volume
of grease during intake is twice the amount
of grease output during one cycle. During
the upstroke, the inlet check closes, and one
half of the grease taken in during the previ-
ous stroke is transferred through the outlet
check and discharged to the outlet port.
Typical output of the pump is shown
on page 5.
Appropriate use
• All pump models are exclusively designed
to pump and dispense lubricants using
hydraulic power.
• The maximum specification ratings
should not be exceeded.
• Any other use not in accordance with in-
structions will result in loss of claims for
warranty and liability.
• Do not exceed 3,500 psi (241 bar) maxi-
mum supply inlet hydraulic pressure.
Exceeding the rated pressure may result
in damage to system components and
personal injury.
Pump performance and specification
Supply inlet hydraulic pressure, maximum) 3,500 psi (241 bar)
Operating working hydraulic pressure 300 to 450 psi (20 to 32 bar)
Hydraulic inlet flow Up to 7 gal/min. (28 l/min.)
Pump ratio with manifold 9:1 at low inlet pressure (300 to 350 psi
(20 to 25 bar)) and low inlet flow (below 2 gpm
(7 lpm)) Pump ratio approaches 11.0:1 ratio at
higher inlet pressure and flow.
Operating temperature -20 to +150 °F (-29 to 65 °C)
Operating voltage 24 V DC
Hydraulic inlet port SAE 4
Tank return port SAE 6
Pump Outlets 1/4 in. NPTF
Maximum hydraulic fluid temperature 250 °F (121 °C)
Weight 36 lbs. (16 kg)
3
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Fig. 3
Fig. 1
Schematic
Hydraulic fluid
inlet
Hydraulic fluid
return to tank
Solenoid valve
( 34 and 35)
Pressure reducing
valve (38) Vent
Valve
Pressure gauge
(Item 32)
Flow control valve (39)
Hydraulic motor (42)
Material
outlet
Fig. 2
Solenoid valve
24V DC connections
No connection to
center lug
A
F
G
H
J
B
D
E
C
KL
A - Pump outlet plug
B - Hydraulic supply line
C - Hydraulic return to tank line (3/4 in. ID min.)
D - Supply line shut-off valve
E - 24 V DC from controller
F - Return line shut-off valve (3/4 in. ID min.)
G - Vent valve port with restrictor
H- Outlet shut-off valve
J - Material supply line
K - Follower plate (85492 for 120 lb. drum only)
L - Drum cover (83115 for 400 lbs., 84616 For 120 lbs.)
4
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Fig. 4
Installing the pump
Typical installation is shown only as a guide
for selecting and installing system compo-
nents. Contact your Lincoln
Industrial representative for assistance
in designing a system to suit your spe-
cic needs.
The pump was tested in lightweight oil
which was left in to protect the pump from
corrosion. Flush the pump before connect-
ing it to the system to prevent contamina-
tion of the grease with residual oil.
The pump has flow and pressure controls
integrated into the manifold (76). A normally
closed on/off Solenoid Valve (74) is also in-
tegrated into the manifold and will start or
stop the pump operation.
1 Mount the pump securely on the drum
cover so that it cannot move or vibrate
during operation.
2 Attach hydraulic supply line to the Inlet
and return line to the tank ports.
3 Connect material supply line to the pump
outlet. Plug the unused outlet on opposite
side of the pump.
4 Install high pressure shut-off valve in the
material supply line (required)
5 Connect 24 V DC power supply to the
solenoid valve (74) († fig. 1).
Use connector plug (75) supplied with the
pump.
!Notice
To install the pump model 85481
as a replacement pump for 84961 used
on model 84944, use adapter/spacer kit
P/N 272013 with bolts P/N 50014,
included in the pump package († fig. 4).
Hydraulic pump performance specifications
Test conducted with Alvania NLGI #2 grease
Grease output (in.³/min. [cm³/min.]),
1,000 psi (69 bar) back pressure
Hydraulic flow input
Temperature
°F (°C)
1 gal./min
(4 l/min.)
2 gal./min.
(8 l/min)
3 gal./min.
(11 l/min.)
4 gal./min.
(15 l/min.)
5 gal./min
(19 l/min.)
6 gal./min.
(23 l/min.)
7 gal./min.
(26 l/min.)
80 (27) 7 (115) 14 (229) 21 (344) 28 (459) 34 (557) 40 (656) 45 (737)
40 (4) 7 (115) 14 (229) 21 (344) 28 (459) 33 (541) 39 (623) 41 (642)
20 (-7) 6 (98) 13 (213) 17 (279) 22 (361) 28 (459) 32 (594) 36 (590)
0 (-18) 6 (98) 11 (180) 15 (245) 19 (310) 23 (376) 27 (442) 30 (491)
-10 (-23) 5 (82) 7 (115) 8 (131) 9 (148) 10 (164) 12 (197) 13 (213)
-20 (-29) 4 (66) 6 (98) 8 (131) 10 (164) 12 (197) 14 (229) 15 (245)
Solenoid valve with manual override standard on Model 85247, 85670 and 85675 optional on other models.
361104
50014 1)
66246
1)
50034
1)
2496161)
66246
51026
1) Included in spacer kit 272013
Mount the pump securely on the drum
cover. Failure to do so could result in
personal injury and equipment damage.
WARNING
Do not exceed 450 psi (32 bar) working
hydraulic pressure. Use high pressure
components to reduce risk of serious in-
jury including fluid injection and splash-
ing in the eyes or on the skin. All acces-
sories connected to the pump outlet
must have at least 5,000 psi (350 bar)
minimum hydraulic operating pressure.
All accessories connected to the pump
inlet must have at least 3,500 psi
(241 bar) minimum working pressure.
WARNING
5
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Operation
All pumps are factory set at 350 psi (24 bar)
working inlet hydraulic pressure with a flow
rate of 2.5 gal./min. (9.5 l/min). Do not
change the settings for the pump until
after the start up procedure.
1 Shut off the material supply line valve.
2 Turn on the hydraulic pressure.
3 Energize the solenoid on/off valve.
4 Prime the pump by slowly opening the
shut-off lubricant supply line valve. Make
sure that all air has been expelled from
the pump and even lubricant flow is
achieved.
5 Adjust the pump pressure and flow to the
desired application requirements. See
Pressure and flow control valve adjust-
ment for instructions to adjust pressure
and flow, Do not exceed pump operating
pressure of 450 psi (32 bar).
6 Always use the lowest pump output pres-
sure and hydraulic fluid flow to obtain the
desired results. This will reduce the pump
wear.
Do not exceed maximum operating
temperature of the hydraulic uid
(250 ºF (121º C)) . Never allow the pump
to run dry of lubricant. A dry pump
quickly speeds up, creating friction
heat, which can damage the seals.
Monitor the supply lubricant level and
rell when necessary.
CAUTION
Setting the pump
manifold pressure and
flow controls
The pressure must first be adjusted to
insure the desired flow setting is achieved.
Pressure control valve
adjustment
• With hydraulic pressure applied, stop the
pump by turning the flow control clock-
wise until completely closed.
• Loosen the lock nut on the pressure con-
trol by turning the nut counterclockwise.
• Turn the valve stem counterclockwise
until it no longer turns. The valve stem
will unscrew until it reaches the stop.
It will not come off. This is the minimum
pressure setting, which is about 170 psi
(12 bar).
• With the pump stalled against pressure,
turn the pressure control valve stem
clockwise until the desired pressure is
attained on the manifold pressure gage.
Do not exceed 450 psi (31 bar). A pres-
sure of 350 psi (24 bar) is recommended.
• Tighten the lock nut by turning clockwise.
Flow Control Valve
Adjustment
• Loosen the lock nut on the flow control
valve by turning the nut
counterclockwise.
• Adjust the flow by turning the valve stem
clockwise to reduce the flow and coun-
terclockwise to increase it.
• The flow control valve can be turned in
until the valve is completely closed, and
out to adjust pump speed.
• Recommended setting - 1/4 to 1/2 open.
• After adjusting the flow to the desired
setting, tighten the lock nut by turning it
clockwise († chart, page 20).
Crankcase oil service
interval
recommendations
• Check the oil level after every 750 hours
of machine operation, or every month.
• Change the oil after every 2,000 hours of
machine operation or every year.
• Use SAE 10W30 motor oil in all units
used in an ambient temperature between
–40 to 150 °F (–40 to 66 °C). For ambient
temperatures between –70 to 50 °F
(–56 to 10 °C), use Mobil Aero HFA Low
Temperature oil.
• Oil level should be at dot on dipstick (mid-
dle of crankshaft) using 10W30 motor oil
(15 oz. (443 cm³)).
6
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Fig. 5
Dimensions
3.11 in.
(79 mm)
11.53 in.
(293 mm)
9.55 in.
(243 mm)
3
B
A
1.25 in.
(32 mm)
9.08 in.
(231 mm)
4.60 in.
(117 mm)
5.03 in.
(128 mm)
8
2
1
5
6
4
7
2.25 in.
(57 mm)
2.25 in.
(57 mm)
(4x) / -20
threads
14
1 1/4 NPTF Pump Outlets
2 SAE 4 Inlet Port
3 SAE 6 Tank Port
4 1/4 NPTR Orifice fitting for
vent valve port
5 Solenoid Valve
6 Pressure Reducing Valve
7 Flow Control Valve
8 Pressure Gauge.
Dimensions
Model
Dim. “A”
(in. (mm))
Dim. “B”
(in. (mm))
85480 27.50 (699) 38.56 (980)
85481 19.00 (483) 30.06 (764)
85482 34.00 (864) 44.94 (1142)
85483 13.69 (348) 24.75 (629)
274055 19.00 (483) 30.06 (764)
7
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Troubleshooting
Condition Possible cause Corrective action
Pump does not run. No pressure on gauge (72):
- Closed Supply line shut off valve. Open shut-off valve.
- No power to solenoid valve (73). Correct electrical fault.
- Faulty Solenoid (74). Replace solenoid (74).
- Pressure Reducing Valve (77) is set too low. Reset Pressure Reducing Valve (77).
- Insufficient Hydraulic Fluid supply. Check hydraulic supply for proper pressure and
flow.
Pressure is shown on gauge (72):
- Closed Fluid outlet line. Check outlet line and clear obstructions
- Flow Control valve is fully closed. Readjust valve to 3/4 turn open.
- Pump is stalled due to grease back pressure Check vent valve in system.
Pump is seized or damaged. Dismantle the pump and repair defective or
seized component. See disassembly and
assembly procedure.
Pump speeds up or runs erratically. Low level of grease or reservoir Refill reservoir.
Pump piston or checks are worn. Disassemble the pump and repair.
Pump runs, but output is low. Insufficient hydraulic fluid supply. Check hydraulic supply and adjust flow using
valve (70).
Inlet pressure too low. Increase pressure using valve (77).
Faulty inlet (25, 27) , faulty discharge check (18, 19) or
damaged O-ring (26).
Replace faulty components.
Weepage from housing cover 30. Cup seal (15) or o-ring (13b) wore out. Check the seals and replace if necessary.
Pump becomes noisy. No crankcase oil. Add crankcase oil. Remove Pipe Plug (67a) from
Pump Housing (67). Oil level should be at the
bottom of the Pipe Plug opening. For Models
85480, 85481, 85482 and 85483. Check
dipstick to verify. Mobil Arrow HFA Hydraulic Oil
until the crankcase is full.
Worn wrist pin bushing (12). Check the bushings and replace if necessary
Pump does not build pressure. Foreign material holding lower check open. Dismantle & clear check. Consider installing
strainer (272180) before returning pump to
service.
8
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Tools required for
maintenance, repair
and adjustment
• 7/16 in. open end wrench
• 1 1/2 in. open end wrench
• 3/4 in. open end wrench
• 12 in. adjustable wrench
• 1/8 in. allen wrench
• 5/32 in. allen wrench
• 1/4 in. allen wrench
• 5/16 in. allen wrench
• 3/8 in. allen wrench
• 1/4 in. drive socket
• 1/4 in. socket
• 5/16 in. socket
• Flat blade screwdriver 0.10” wide and
0.025” thick
• Pick to remove seals and spiral retaining
rings
• Small snap ring pliers
• Special tool kit 276275
• Phillips Screwdriver
• 1/2 in. Allen Wrench
• Hammer
• Torque wrench (ft./lbf and in./lbf)
• Hex allen socket adapters (required to
torque allen screws)
• Loctite 242 medium strength thread lock
or equivalent.
• Loctite 222 medium strength thread lock
or equivalent.
Maintenance and
repair
Relieve pressure from the pump and supply
lines before servicing or repairing the pump,
to reduce the risk of an injury from injection,
splashing fluid or moving parts.
Always use Lincoln Industrial parts for
service and repair.
WARNING
9
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1 Remove dip stick (Item 30a). (Reassem-
bly torque: 10 - 15 in. lbs. (1.1 - 1.7
Nm).)
2 Drain crankcase oil (reassembly recom-
mendations: use SAE 10w30 motor oil
filled to dipstick mark (15 oz.)).
3 Remove housing cover screws (Item 28).
(Reassembly torque: 10 - 15 in. lbs. (1.1
- 1.7 Nm).) (Reassembly recommenda-
tions: replace screw gaskets, Item 29).
4 Remove housing cover (Item 30) and
gasket (Item 31). (Reassembly recom-
mendations; replace gasket.)
5 Remove the two hydraulic motor
mounting screws and lock washer (Items
51 & 51a). (Reassembly torque: 50 - 55
Ft. Lbs. (67.8 - 74.5 Nm).) (Reassembly
recommendations: Use service remov-
able thread locking compound such as
Loctite 242, or equivalent.
6 Remove hydraulic motor (Item 50) and
gasket (Item 69). (Reassembly recom-
mendations: Replace gasket and use
gasket dressing such as Loctite 510,
Loctite Aviation sealant 30516 or
equivalent.)
7 Remove four manifold mounting screws
(Item 71). (Reassembly torque: 20 - 25
Ft. Lbs. (27.1 - 33.9 Nm).)
8 Remove manifold assembly (Items 70
through 78). (Reassembly recommen-
dation: Replace O-rings, Item 68).
9 Remove O-rings (Item 68).
10
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10 Remove pressure reducing valve (Item
77). (Reassembly torque: 20 - 25 Ft.
Lbs.(27.1 - 33.9 Nm).)
11 Remove orifice fitting (Item 78). (Reas-
sembly torque: 20 - 25 Ft. Lbs. (27.1 -
33.9 Nm), or enough to seal pipe
threads.) (Reassembly recommenda-
tions: use Loctite 592 pipe thread seal-
ant, or equivalent.
12 Remove hydraulic flow control (Item 70).
(Reassembly torque: 20 - 25 Ft. Lbs.
(27.1 - 33.9 Nm).)
13 Remove hydraulic solenoid valve (Item
73). (Reassembly torque: 20 - 25 Ft.
Lbs. (27.1 - 33.9 Nm).)
14 Remove the two outlet pin nuts (Item
32). (Reassmebly torque: 30 - 35 Ft.
Lbs.(40,7 - 47,5 Nm).) (Reassembly
recommendations: Use Loctite242 or
equivalent on outlet nut threads).
11
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15 Remove spiral retaining ring (item 59)
from housing tube.
16 Remove shovel plug (Item 58) and spac-
er (Item 56b) from housing tube.
17 17. Push pump element (items 1
through 27) out of housing tube with
nylon rod and hammer included in tool
kit (276275). (Reassembly recommen-
dation: replace pump element in hous-
ing tube with housing tube slightly loose,
then torque housing tube (Item 56a) to
pump housing (Item 73) to 20-25 Ft.
Lbs. (27.1 - 33.9 Nm).)
12
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18 Pull pump element free of housing. 19 Remove housing tube (Item 56a). (Reas-
sembly Torque: 20 to 25 Ft. Lbs.(27.1 -
33.9 Nm).
20 Exploded view of housing tube (Item
56a), spacer (Item 56b) and Shovel Plug
(Item 58).
21 Remove bronze bushing (Item 57) 22 Remove oil seal O-ring (Item 53) and
backup washer (Item 54). (Reassembly
recommendation: replace O-ring seal
and backup washer. Backup washer
must be placed in tube first, then the
O-ring.)
23 Remove wrist pin bushing screws (Item
11). (Reassembly torque: 100-110 in.
lbs. (11.3 - 12.4 Nm).) Reassembly rec-
ommendations: use Loctite 242 or
equivalent on screw threads).
24 View of wrist pin bushing (Item 12). 25 Press out wrist pin bushing (Item 12)
with 5/16-24 bolt, (from kit 276275)
needed since pivot bushings often stick
in wrist pin anchor (Item 13a).
26 Remove wrist pin bushing (Item 12).
13
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27 Remove crankkrod and eccentric as-
sembly (Items 1-7).
28 Loosen wrist pin anchor (Item 13a). (Re-
assembly torque: 20 - 25 Ft. Lbs. (27.1
- 33.9 Nm).)
29 Remove wrist pin anchor (Item 13a).
(Reassembly recommendations: replace
O-ring seal (Item 13b), be sure threads
on wrist pin anchor (Item 13a) are clean
and free of all oil or other fluids.)
30 View of plunger tube and plunger tube
bushing assembly (Items 10, 10a, 10b,
10c and 10d).
31 Loosen
plunger tube
(Item 10).
(Reassembly
torque: 100-
110 in. lbs.
(11.3 - 12.4
Nm))
32 Remove plunger tube (Item 10) and as-
sociated parts. (Reassembly recommen-
dations: replace O-ring (Item 10c) on
bushing (Item 10a). Use Loctite 242 or
equivalent on plunger tube threads.)
33 View of bushing assembly (Items 10
through 10d) removed.
34 View of wrist pin anchor (Item 13a)
showing upper cup seal (Item 15) and
nylon back up washer (Item 14).
35 Pull cup seal (Item 15) out of wrist pin
anchor (Item 13a).
14
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Series “B”
Top of pump Top of pump
36 Remove cup seal (Item 15) and backup
washer (Item 14). (Reassembly recom-
mendations: replace cup and seal and
backup washer. See detail below for
orientation.)
13A 14
15
To upgrade series “A”
Spacer
275376
37 Hold outlet pin (Item 8) and plunger
tube (Item 10) in vise.
38 38. Loosen plunger tube (Item 10) from
outlet pin (Item 8). (reassembly torque:
100-110 in.-lbs. (11.2 - 12.4 Nm).)
39 Remove plunger tube (Item 10). (Reas-
sembly recommendations; replace
o-ring (item 9). Use Loctite 242 or
equivalent on plunger tube threads.)
40 Remove O-ring (Item 9).
41 View of
O-ring
(Item 9)
removed.
42 Remove C-clip (Item 10d).
15
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43 Remove O-ring (Item 10c). 44 Remove backup washer (Item 10b). 45 View of upper bushing and seals (Items
10-10d).
46 Loosen check seal housing (Item 27)
with 3/8 Allen wrench. (Reassembly
torque: 20-25 ft. lbs. (27.1 - 33.9 Nm).)
47 Check seat housing assembly (Item 27)
and associated parts removed. (Reas-
sembly recommendations: replace
O-ring seal (Item 26). Apply Loctite 242
or equivalent to check seat housing
threads.)
48 Remove ball cage (Item 24), check ball
(Item 25) and O-ring seal (Item 26) from
check seat housing (Item 27).
16
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Top of
pump Bottom
of pump
49 49. Remove lower bushing (Item 19a)
from reciprocating tube (Item 20). (Re-
assembly recommendations: replace
O-ring seal (Item 26.) Remove lower cup
(Item 21) from reciprocating tube (Item
20). (Reassembly recommendation: re-
place lower cup seal. See below for ori-
entation). Remove pump bushing (Item
19a) from pump plunger (Item 19).
50 50. To remove lower plunger, use special
tool provided in Tool Kit 276275.
51 With the tool in place, insert the pin in-
cluded in tool kit (276275) through the
tool and into the plunger outlet hole.
52 Remove plunger (Item 19). (Reassembly
torque: 100-110 in. lbs. (11.3 - 12.3
Nm)) (Reassembly recommendations:
use Loctite 242 or equivalent on plunger
threads)
53 Push out check ball (Item 18) and check
spring (Item 17).
54 Clamp crank rod/eccentric assembly
(Items 1-7) in vise.
55 Loosen flat head screw (Item 1). (Reas-
sembly torque: 100-110 in. lbs. (11.3 -
12.4 Nm).)
56 Remove flat head screws (Items 1). (Re-
assembly recommendation: use Loctite
242 on screw threads).
17
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57 With both flat head screws removed, re-
move counterbalance weights (Item 2).
58 Remove inner and outer retaining ring
(Item 5 and Item 3) from both sides.
59 Place assembly on 2 1/2” dia. steel pipe
included in tool kit.
60 Drive crank eccentric (Item 6) out of ball
bearing (Item 7).
61 Drive ball bearing (Item 7) out of crank
rod (Item 4).
62 Remove O-Ring seal (Item 33) from
outlet nut (Item 32).
18
To order call 1-800-548-1191 or visit www.partdeal.com - [email protected]

63 Remove O-ring seal (Item 34) and
backup washer (Item 35) from outlet nut
(Item 32). Note the position of the
backup washer in photo.
64 Reassembly recommendations: To install
the O-ring (Item 34) and backup washer
(Item35) most easily, install the backup
washer first.
65 And then feed
the O-ring
(Item 34) un-
der the back-
up washer,
pushing up
the final bulge
of the O-ring
with a blunt
rod.
19
To order call 1-800-548-1191 or visit www.partdeal.com - [email protected]

Fig. 1
Hydraulic oil flow vs. pump rotations/min.
Rotations/min. = 87.7 (gal./min.) - 3.7
Durchflussvegelventil
ist geoffnet
34
58
12
38
14
18
/
/
/
/
/
/
}Emptohler
Einstellungs
deseich
1)
Eingagn (gal./min (l/min))
0
1
2
3
4
5
6
7
Pumpen drehsah (U/min.)
600
0100 200 300 400 500
1) At pressure setting of 350 psi (24 bar)
20
To order call 1-800-548-1191 or visit www.partdeal.com - [email protected]