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Always wear eye protection when operating or
performing maintenance on this pump.
Always turn off air supply and disconnect air supply
hose before installing, removing or adjusting any
accessory on this pump, or before performing any
maintenance on this pump.
LUBRICATION
Each time the Model 226 Sump Pump is disassembled for
maintenance, repair or replacement of parts, lubricate the
pump as follows:
1. Inject 5 – 10 cc of Ingersoll–Rand No. 80 Grease into
Grease Fitting (15).
2. Remove the Oil Chamber Plug (8) and fill the oil
chamber in the Backhead (1) Ingersoll–Rand No. 50
Oil. Inject approximately 3 cc of oil into the air inlet
before attaching the air hose.
DISASSEMBLY
General Instructions
1. Do not disassemble the pump any further than
necessary to replace or repair damaged parts.
2. Whenever grasping a tool or part in a vise, always use
leather–covered or copper–covered vise jaws to protect
the surface of the part and help prevent distortion.
This is particularly true of threaded members and
housings.
3. Do not remove any part which is a press fit in or on a
subassembly unless the removal of that part is
necessary for repairs or replacement.
4. Do not disassemble the pump unless you have a
complete set of new gaskets and O–rings for
replacement.
Disassembly of the Pump
1. If the Air Strainer Screen (9) is to be cleaned or
replaced, unscrew the Air Strainer Cap (10) and
withdraw the Screen.
2. Unscrew and remove the Backhead Cap Screws (13).
Lift off the Backhead Assembly (1).
3. If the oiler is to be disassembled, remove the Oiler
Body Retainer (7) and withdraw the Oiler Body
Assembly (2) from the Backhead.
4. Unscrew the Impeller Cover Cap Screws (49) and
remove the Inlet (47) and Impeller Cover (46).
5. Secure the Impeller (42) against rotation by inserting a
long screwdriver through one of the suction ports and
into the discharge port in the Housing (14).
6. Unscrew the Impeller Retaining Screw (44) and
remove the Impeller.
MAINTENANCE SECTION
7. While grasping the Controller Assembly (18) in one
8. The upper Rotor Shaft Bearing (34) and Bearing
9. Grasp the Rotor Shaft vertically in leather–covered or
10. Lift off the Rear End Plate (24) and Rotor Bearing
11. Lift off the Cylinder Assembly (25).
12. Remove the Vanes (30).
13. Withdraw the Rotor (28) and lift out the Rotor
14. Lift off the Front End Plate (31).
15. Remove the Motor Clamp Washers (32).
16. Using a water seal cap spanner wrench, unscrew and
17. Withdraw the Seal Spacer (36).
16
hand, gently tap on the impeller end of the Rotor
Shaft (33) with a plastic hammer and withdraw the
motor from the Housing.
Spacer (35) will usually come out with the motor.
Slide them off the Rotor Shaft.
copper–covered vise jaws, and unscrew the Controller
Retaining Nut (20).
The Controller Assembly has left–hand threads;
rotate clockwise to remove.
Use only the special No. 99V60–950 Controller
Wrench for removing the Controller Assembly. Do
not attempt to disassemble the Controller. It is
available only as a unit and is guaranteed for the
life of the tool if it is not abused.
Seal.
If the Controller Assembly (18) needs to be
replaced, you must also replace the Rotor Bearing
Seal Assembly (19) which consists of the Rear Rotor
Bearing and Rotor Bearing Seal. If either the Rear
Rotor Bearing or Rotor Bearing Seal needs to be
replaced, both must be replaced with a new Bearing
and Seal. Do not mix old and new parts.
Key (29).
Do not remove the Water Seals (39) from within the
Water Seal Cap Assembly (38) unless you have two
new Seals on hand for installation. The Water Seals
are always damaged during the removal process.
Always check the Water Seals for wear or leakage.
The Water Seal Cap Assembly has left–hand
threads.
remove the Water Seal Cap Assembly.
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