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Air Operated
Grease Ratio Pumps 50:1
World-class Industrial High Pressure
Grease pumps with guaranteed
performance & hassle free operation
Pump dispenses grease at pressures
upto 50 times the air inlet pressure
Designed to work in tough conditions
- these are ideal for use in Industry,
Workshop, Farm, Construction or as
part of the Mobile Grease System
All metal construction, fully CNC
machined with hardened wear
resistant moving parts
Reciprocating piston operated 2-1/2"
(63 mm) dia. air motor
Fitted with strainer at suction tube
inlet for clean grease to the bearing
Supplied complete with drum cover,
rubber lined follower plate, 7' (84") of
high pressure grease hose,
Z swivel/swivel* & professional
grease control valve
*for GP4 only
SPECIFICATIONS
MODEL
SUCTION TUBE LENGTH
WORKING PRESSURE
MAXIMUM AIR PRESSURE
MAXIMUM OUTLET PRESSURE
AIR INLET/PUMP OUTLET CONNECTION
AIR CONSUMPTION
GREASE OUTPUT (NLGI NO. 2 GREASE)
NOISE LEVEL
WETTED COMPONENTS
RECOMMENDED USE
CAT NR.
CAT NR.
BSP THREADS
NPT THREADS
PUMP ASSEMBLY
GP0/ST/501/BSP
GP4/ST6/501/BSP
GP1/ST/501/BSP
GP1/ST/501/N
GP2/ST/501/BSP
GP2/ST/501/N
GP3/ST/501/BSP
GP3/ST/501/N
Z swivel/
swivel
GP1/GP4
17.32" (440 mm)
FITS
-
12.5 kg drums
25-50 lb / 5 gal. /
-
20-30 kg pails
25-50 lb / 5 gal. /
20-30 kg pails
120 lb / 16 gal. /
50-60 kg pails
400lb / 180 kg drums
INSTRUCTION MANUAL
Grease Control Valve
Cover
Screws
High Pressure
Rubber Hose
GP2
28.74" (730 mm)
30 to 150 PSI (2–10 BAR)
150 PSI (10 BAR)
7,500 PSI (500 BAR)
1/4" BSP (F) / 1/4" NPT (F)
230 LPM (61 GPM)
1.10 kg/min. (2.42 lbs/min.)
81 db
Steel, Brass, Aluminium, Polyurethane & Nitrile Rubber
With light and self collapsing grease up to NLGI No. 2
DRUM COVER
DIAMETER
O.D. STEEL END
(INCH)
(MM)
(INCH)
11
284
9-3/64
13
330
10-1/4
12
310
9-1/2
15
381
12-11/16
24-1/2
612
21-5/8
S1230, Rev F
GP1
GP3
GP3
37.38" (950 mm)
FOLLOWER PLATE DIMENSIONS
O.D. PLATE
I.D. GROMMET
(MM)
(INCH)
(MM)
(INCH)
230
10-1/8
257
260
12
305
241
11-11/32
288
322
15
380
550
23-11/16
602
GP2
GP4
Air Motor
Assembly
Drum
Cover
Nozzle
Holder
Follower
Plate
Suction
Tube
(MM)
1.16
29.5
1.16
29.5
1.16
29.5
1.16
29.5
1.16
29.5
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Summary of Contents for Groz GP1
- Page 1 7' (84") of high pressure grease hose, Z swivel/swivel* & professional grease control valve *for GP4 only SPECIFICATIONS MODEL GP1/GP4 SUCTION TUBE LENGTH 17.32" (440 mm) 28.74" (730 mm) 37.38" (950 mm) WORKING PRESSURE 30 to 150 PSI (2–10 BAR)
-
Page 2: Safety Information
SAFETY INFORMATION BEFORE INSTALLATION • Follow workshop Health & Safety rules, • Dry air is needed to operate this pump. Make regulations and conditions when using the sure a FRL (Filter, Regulator, and Lubricator) grease pump. unit is installed in the airline as moisture in the •... - Page 3 Note: • Air Motor of these pumps starts automatically when the grease control valve is opened. When the valve is closed, air motor builds up a back-pressure and stops operating the pumping section. • Pressure Ratio of the pump states the ratio of the output grease pressure to the incoming air pressure. When the pressure ratio is 50:1, we achieve an output grease pressure up to 7500 PSI (500 BAR) when the incoming air pressure is 150 PSI (10 BAR).
-
Page 4: Installation
INSTALLATION 6. Use a wrench to tighten 1. Fill the drum with the other end of the Grease leaving empty hose to Z swivel/swivel space of about 2” from of grease control valve. the top rim. Shake the Tighten the outlet Extension drum after it is filled to extension &... -
Page 5: Exploded View
EXPLODED VIEW KIT/TP/RP-G KIT/BTM/RP-G Correct Fitment of Seals (39) Conical side of Seals (39) must face upwards Replace Component No. 49, 51, 52, 53 & 55 as a SET Correct Fitment of Side Bush (53) & Pump Cylinder (51) Slotted side Pin Hole end must face must face... -
Page 6: Parts List
PARTS LIST REF NO. PARTS DESCRIPTION QUANTITY REF NO. PARTS DESCRIPTION QUANTITY Bend Pipe Adapter Coupling Nut O Ring (BS115) Sealing Ring Seal Guide Bend Seal Cylinder Cover Seal Support O Ring (BS141) Spring (Seal) Plunger Nut Steel Washer Rubber Plunger Connecting Rod Plunger Rod Slotted Spring Pin... - Page 7 • Be careful when fitting O-rings and seals. Always lubricate them with grease before fitting. They must never be threaded over sharp edges when being fitted. Lubricate all moving parts with synthetic grease. Apply minor locking fluid on all threaded joints. •...
- Page 8 Pumping Section Kit (KIT/BTM/RP-G) 6. Support Pump Cylinder (51) on a V block & 1. Hold Barrel (63) in a insert a pin punch vertically into the hole of soft-jaw vice. Pull out Pump Cylinder (51). Tap lightly with a hammer Filter Cap (62) by to drive out lower Slotted Spring Pin (44) hand.
- Page 9 10. Replace the Repair Kit (KIT/BTM/RPG) • Replace Part No. 49, 51, 52, 53 & 55 TOGETHER as a set even if there is a need Reassemble the pump by following the steps 1-9 in reverse order taking care of the points to replace only one of these parts.
- Page 10 KIT PART NO. CONSTITUENT PART REFERENCE NO. FROM QTY. DESCRIPTION PART NO. DESCRIPTION EXPLODED VIEW PER KIT SR/B/RP Sealing Ring BEND/90/RP Bend ORG/BS141 O Ring ORG/BS614 O Ring ORG/BS617 O Ring ORG/BS121 O Ring SEL/P/RP Paper Seal SET/RP Seat KIT/TP/RP-G DRIVE SECTION KIT SLD/NY/RP Nylon Slider...
- Page 11 6. Unscrew Connector 12. Connect a calliper (45) with wrench wrench into the holes (size 14 mm) & on Inlet Cover (32) & separate air motor unscrew it. assembly from Extension Rod (46). 7. Hold air motor assembly in a soft-jaw vice. 13.
- Page 12 5.3 - 5.7 mm 17. Remove Slider (30) • Ensure that height of Nylon Slider (27) with a tweezer. is approx. 5.3 - 5.7 mm. Also, hollow portion of Nylon Slider (27) should rest evenly on top of Seat (25). 18.
-
Page 13: Troubleshooting
REPLACEMENT PARTS PROGRAM (Refer “EXPLODED VIEW”) REF. NO. FROM EXPLODED VIEW PART NO. DESCRIPTION QUANTITY FLP/241-288/6 GP1 Follower Plate FLP/322-380/6 GP2 Follower Plate FLP/550-602/6/GP3 GP3 Follower Plate FLP/260-305/6 GP4 Follower Plate DC/GP1/BL GP1 Drum Cover DC/GP2/BL GP2 Drum Cover DC/GP3/BL... - Page 14 Pump continues to operate Check all the connections to ensure they are air tight. Use even after the trigger of thread sealant. Leakage in the assembly Grease Control Valve (69) Check O rings & seals for damage. Replace the defective has been released parts from repair kit Check Seal Guide (38), O Ring (37), lower O Ring (11),...
- Page 16 Groz makes all efforts to ensure that its products meet the highest standards of quality and durability and warrants to the original purchaser its range of products for a period of 12 months from Groz Invoice date, against defects in materials and workmanship. If the Groz product is part of a set, only the portion that is defective is subject to this warranty.
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