Grizzly T26748 User guide

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MODEL T26748

PNEUMATIC

GREASE PUMP

INSTRUCTIONS

For questions or help with this product contact Tech Support at (570) 546-9663 or techsupport@grizzly.com

Introduction

The Model T26748 Pneumatic Grease Pump is a high-pressure grease delivery system designed to be completely portable and operate hands-free.

Specifications

Pressure Ratio .............................................. 50:1

Air Inlet Working Pressure .................90 –115 PS I

Max. Air Pressure ....................................120 PSI

Max. Oil Outlet Pressure ...................... 5800 PSI

Max. Flow Rate ......................................22 GPM

Grease Outlet ................................................M14

High-Pressure Hose ............................... M14 x 8'

Volume........................................ 3 Gallons (12 L)

Types of Grease .............................NLGI #1, 2, 3

EYE INJURY HAZARD! Always wear safety glasses during use to prevent serious personal injury.

INJURY HAZARD! When servicing, always disconnect tool from air to prevent unexpected operation.

120 PSI

MAX AIR PRESSURE! Exceeding this PSI may result in injury/tool damage.

Inventory

Description Qty

A. High-Pressure Hose ................................... 1

B. Grease Gun ................................................ 1

C. Pneumatic Pump (Installed) ....................... 1

D. Grease Drum .............................................. 1

Figure 1. Model T26748 inventory components.

Assembly

Tools Required Qty

Open-End Wrench 17mm ............................2 Ea.

To assemble grease pump:

1. Screw high-pressure hose onto grease out-

let on pneumatic pump and tighten securely (see Figure 2).

High-

Pressure

Hose

Grease Outlet

Figure 2. High-pressure hose attached to pump.

NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE

OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.

#MN16583 PRINTED IN CHINA

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2. Screw grease gun fitting onto other end of high-pressure hose and tighten securely (see

Figure 3).

Filling

1. Remove lid assembly from grease drum.

Tip: When removing lid assembly from drum,

tilt it slightly to one side. This relieves suction and allows assembly to slide out more easily.

High-Pressure Hose

Grease Gun

Figure 3. High-pressure hose attached to grease

gun.

3. Attach grease pump to compressed air source. To improve tool lifespan and avoid contaminating grease with water from air supply lines, use a filter/lubricator/regulator setup, as shown in Figure 4.

Quick

Connector

Your

Tool

Quick

Connector

Lubricator

Regulator

Air

2. Fill drum with bulk grease (see Specifications on Page 1), ensuring that no air pockets remain.

3. Slide lid assembly back into grease drum, making sure follower plate is seated evenly against side of drum body to prevent air pockets from forming (see Figure 5).

Follower Plate

Lid Assembly

Figure 5. Follower plate seated evenly against

drum body.

4. Once lid assembly is fully seated, secure with latches.

Compressor

Quick

Coupler

Air Hose

Quick

Coupler

Filter

Figure 4. Example of a filter/lubricator/regulator

setup.

Do not allow pneumatic pump to run dry. This can cause pump to overheat, which can quickly damage the machine. This type of damage is considered to be neglect and will not be covered under warranty.

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T26748 Pneumatic Grease Pump (Mfd. 5/14)

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Operation

1. Connect grease pump to compressed air

regulated at 90–115 PSI (see Figure 6).

Note: To alter pressure setting on pump, pull

regulator cap out. Turn left to decrease pressure; turn right to increase pressure. Push cap back in when finished.

Maintenance

Clean and lubricate the pneumatic pump and grease gun on a regular basis to ensure safe and efficient operation. When not in use, the highpressure hose and grease gun should be disconnected from the grease pump. The grease pump should be stored away from direct heat, in a dry area with good ventilation.

Pressure

Gauge

Regulator

Air Hose

Fitting

Figure 6. Primary components of pneumatic

pump.

2. Squeeze grease gun trigger once or twice to expel any contaminants or old grease. Allow just enough grease to escape to ensure it is clean, then wipe off with rag.

3. Insert tip of grease gun into fitting to be lubricated, then squeeze trigger to inject grease.

Do not perform maintenance on pump until it has been disconnected from air source. Exposure to air under high pressure can cause serious personal injury.

Cleaning

After each use, hold down grease gun trigger to ensure that all grease has been expelled. Then remove tip of grease gun and wipe down all parts.

Lubrication

Weekly, put 2 oz. of air-pump lubricant in the air inlet hole (see Figure 7).

Air Inlet Hole

4. Once desired amount of grease has been injected into fitting, release trigger.

5. When finished, disconnect compressed air source.

Do not disconnect grease gun or highpressure hose while grease pump is connected to air source. Serious personal injury can result otherwise.

T26748 Pneumatic Grease Pump (Mfd. 5/14)

Figure 7. Location of air inlet hole where air-

pump lubricant is added.

Connect pneumatic pump to air source and allow to run for several minutes until internal parts are fully lubricated.

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Troubleshooting

Review the troubleshooting and procedures in this section if a problem develops with your machine. If you need replacement parts or additional help with a procedure, call our Technical Support at (570) 546-9663. Note: Please gather the serial number and manufacture date of your machine before calling.

Symptom Possible Cause Possible Solution

Grease not pumping through gun.

Grease pumping slowly from gun.

Grease leaking at outlet/hose connection.

1. Blockage in grease gun.

2. Air pocket in grease drum.

3. Not enough grease in drum.

1. Grease is too heavy (thick).

2. Insufficient air pressure.

3. Pump/air source leaks.

4. Obstruction in grease gun.

5. Obstruction between check valve and air inlet valve.

1. Loose hose connection. 1. Tighten hose on outlet connection.

1. Disassemble and clean gun assembly.

2. Remove lid assembly, then slowly re-insert; keep follower plate square to grease drum.

3. Refill drum with more grease.

1. Add 8–10 oz. of SAE 40 or similar oil to grease drum; use lighter weight grease.

2. Check air source for correct psi: 90–115.

3. Tighten fittings.

4. Disassemble grease gun and clean thoroughly.

5. Disassemble grease inlet valve and clean thoroughly.

Grease leaking at gun/hose connection.

Grease leaking from swivel connector on grease gun handle.

Pump continues to run after grease gun trigger is released.

1. Loose grease gun connection. 1. Tighten grease gun fitting on hose.

1. Blown O-ring. 1. Replace O-ring.

1. Grease drum is empty.

2. Leak in hose/gun.

3. Valve not closing due to dirt or wear.

1. Refill drum with grease.

2. Check all connections; tighten or repair.

3. Disassemble and clean valves.

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T26748 Pneumatic Grease Pump (Mfd. 5/14)

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Parts

Please Note: We do our best to stock replacement parts whenever possible, but we cannot guarantee that all parts shown here

are available for purchase. Call (800) 523-4777 or visit our online parts store at www.grizzly.com to check for availability.

REF PART # DESCRIPTION REF PART # DESCRIPTION

1 PT26748001 AIR TUBE 31 PT26748031 CONNECTING ROD 2 PT26748002 COVER 32 PT26748032 VALVE CONNECTOR 3 PT26748003 PLATE SPRING 33 PT26748033 STEEL BALL 6MM 4 PT26748004 POSITION PLATE 34 PT26748034 COMPRESSION SPRING 5 PT26748005 SLIDER 35 PT26748035 SPRING SEAT 6 PT26748006 GASKET 36 PT26748036 PISTON 7 PT26748007 SOFT GASKET 37 PT26748037 O-RING 14 X 2.65 8 PT26748008 AIR MOTOR SHELL 38 PT26748038 STEEL BALL 6MM 9 PT26748009 AIR MOTOR COVER 39 PT26748039 COMPRESSION SPRING 10 PT26748010 ELBOW 90 DEGREE 40 PT26748040 CONNECTING ROD 11 PT26748011 COMPRESSION NUT M16-1.5 41 PT26748041 ADJUSTMENT NUT 12 PT26748012 AIR TUBE 42 PT26748042 CONNECTING ROD 13 PT26748013 MUFFLER 43 PT26748043 PISTON ROD 14 PT26748014 TRIP SHOE GUIDE 44 PT26748044 SLEEVE 15 PT26748015 SPRING SEAT 45 PT26748045 PISTON 16 PT26748016 COMPRESSION SPRING 46 PT26748046 FENDER WASHER 10MM 17 PT26748017 SPRING SHELL 47 PT26748047 HEX NUT M10-1 18 PT26748018 GASKET 22MM 48 PT26748048 LID 19 PT26748019 VALVE SEAL 12MM 49 PT26748049 DRUM 20 PT26748020 CONNECTOR 50 PT26748050 WHEEL 21 PT26748021 CONNECTING TUBE 51 PT26748051 EXT RETAINING RING 12MM 22 PT26748022 PISTON SHELL 52 PT26748052 BASE 23 PT26748023 VALVE SEAT 53 PT26748053 GRIZZLY GREEN TOUCH-UP PAINT 24 PT26748024 SUCTION TUBE 54 PT26748054 MACHINE ID LABEL 25 PT26748025 HEX NUT M6-1 55 PT26748055 GRIZZLY.COM LABEL 26 PT26748026 DOCK WASHER 6MM 56 PT26748056 EXPLOSION HAZARD LABEL 27 PT26748027 RUBBER WASHER 6MM 60 PT26748060 GREASE GUN 28 PT26748028 VALVE RING 61 PT26748061 HIGH PRESSURE HOSE 7500-PSI 29 PT26748029 VALVE 62 PT26748062 HANDLE 30 PT26748030 SEAL

18 19 20

46 45

39 38

35 34

33 32 31

T26748 Pneumatic Grease Pump (Mfd. 5/14)

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T26748 Pneumatic Grease Pump (Mfd. 5/14)