Page Number - 2
Form 404141
Model 84999
POWERMASTER III DRUM PUMP
Bushing & Plunger / Shovel Type Foot Valve
PREVENT STATIC SPARKING. If static sparking occurs,
fire or explosion could result. Pump, dispensing valve, and
containers must be grounded when handling flammable flu-
ids such as petroleum products, paints, lacquers, etc. and
wherever discharge of static electricity is hazard.
• Check continuity (a good static wire connection) with an
ohmmeter. Place one probe on one hose fitting and the
other probe on other hose fitting, continuity or proper
grounding through hose is good when a reading is obtained
on the ohmmeter.
• PREVENT FIRES. When pumping, flushing or recirculating
volatile solvents, the area must be adequately ventilated.
• Keep solvents away from heat, sparks and open flames.
Keep containers closed when not in use.
DO NOT allow pump to operate when out of material.
PUMP PRIMING
To begin operation, the pump has to be primed with the
pumped material. The Power-Master III pump is a double
acting (pumps material on”up” and “down” stroke) positive
displacement reciprocating pump and as such intakes material
only on the “up” stroke.
DISASSEMBLY
Tools Required
2-1/8” Dia Strap Wrench
Retaining Ring Pliers (External)
Retaining Ring Pliers (Internal)
19/32” Hex Wrench
5/8” Hex Wrench
11/16” Hex Wrench
7/8” Hex Wrench
13/16” Hex Wrench
1-3/8” Hex Wrench
2-1/4” Hex Wrench
Pliers
Procedure
1. Unscrew Adapter Tube (Item 28) from Pump Tube (Item 18).
2. Pull on Adapter Tube (Item 28) until connection between Bushing
& Plunger (Item 26) and Bushing & Plunger (Item 31) is exposed
and can be disconnected.
3. Remove Priming Tube (Item 37) from Adapter Tube (Item 28).
4. Remove Lower Check Assembly (Items 29, 30, 31, 33, 34 & 35)
from Adapter Tube (Item 28).
5. Remove Cotter Pin (Item 32) from Bushing & Plunger (Item 31).
6. Remove Priming Shovel (Item 36) from Bushing & Plunger (Item
31).
7. Remove Retaining Ring (Item 29) and Guide Washer (Item 30)
from Bushing & Plunger (Item 31).
8. Remove O-ring (Item 27) from Pump Tube (Item 18).
9. Remove Bolt Connector (Item 1) from Plunger (Item 3).
10. Pull Bushing & Plunger (Item 31) to remove Plunger (Item 3),
Connecting Rod (Item 21), Adapter (Item 22) and Bushing &
Plunger from Pump Tube (Item 18).
11. Remove Pump Tube (Item 18) from Outlet Body (Item 9).
12. Remove O-ring (Item 17) from Outlet Body (Item 9).
13. Remove Gland Nut (Item 4) from Outlet Body (Item 9).
14. Remove Priming Plug (Item 10) and Adapter (Item 11) from
Outlet Body (Item 9).
15. Remove Outlet Body (Item 16) from Outlet Body (Item 9).
16. Remove Ball (Item 14), Check Seat (Item 13), and Gaskets (Item
12) from Outlet Body (Item 9).
17. Remove Retaining Ring (Item 8), Packing Washer (Item 7) and
U-cup Packing (Item 6) from Gland Nut (Item 4).
18. Remove Rod Wiper (Item 38) from Gland Nut (Item 4).
19. Remove Bushing & Plunger (Item 31) from Adapter (Item 22).
20. Remove Ball (Item 23) from Adapter (Item 22).
21. Remove Pin (Item 25) and Ball (Item 24) from Bushing & Plunger
(Item 31). Note: Models 85201 & 85202 do not have Items 24 &
25.
22. Remove Cotter Pins (Item 20) from Connecting Rod (Item 21).
23. Remove Adapter (Item 22) and Plunger (Item 3) from Connect-
ing Rod (Item 21). Note: On Models 84997 & 84998 there is an
Adapter (Item 19) between the Plunger & Connecting Rod.
24. To re-assemble pump, reverse disassembly procedure. (Refer to
illustration for torque specifications.)
ATTACHING AIRMOTOR
TO PUMPTUBE
1. Tightly attach tie rods to the airmotor (use short threaded
end of the tie rods).
2. Mount airmotor on top of the pump tube outlet and tightly
connect Coupling Nut (Item 2) to airmotor piston rod.
3. Hand tighten tie rods to the pumptube with four nuts sup-
plied with airmotor.
4. Slowly cycle the pump several times, using just enough air
pressure to operate the pump without stalling.
5. Stop the pump on an “up” stroke and tighten the four nuts
to securely fasten the airmotor to the pumptube.
OPERATING PRECAUTIONS
• Use Lincoln replacement parts to assure compatible pres-
sure rating.
• HEED ALL WARNINGS.
• Be sure material hoses and other components are able to
withstand fluid pressures developed by this pump.
• Do not operate pump continuously at speeds in excess of
75 cycles per minute.
• Disconnect air line from pump airmotor when system sits
idle for long periods of time.
• SERVICING. Before servicing or cleaning pump, or remov-
ing fluid hose or gun from a unit that has been used, be
sure to disconnect air lines and carefully bleed pressure off
of the system.
To prime pump, open output line (material valve) and slowly
open air supply valve until pump starts. Allow pump to cycle
very slowly until all air is pushed out of lines and material fills
up pump and lines. Close output line (material shut-off valve) -
pump should stall against pressure.
Note:
Pumps are factory tested with light oil and some of it is
left in to protect pump parts during storage and transportation.
To prevent contamination of material to be pumped, flush pump
before using.
To order call 1-800-548-1191 or visit www.partdeal.com - [email protected]