AIRLESSCO 3A1182B Manuel d'instructions télécharger pdf (Page 11)

Maintenance

3A1182B 11

Maintenance

Daily Maintenance

Keep displacement pump packing nut/wet cup 1/3 full of

Airlessco Throat Seal Oil at all times. The TSO helps

protect the packings and rod.

Inspect the packing nut daily. If seepage of paint into the

packing nut and/or movement of the piston upward is

found (while not spraying), the packing nut should be

tightened just enough to stop leakage. Overtightening

will damage the packings and reduce the packing life.

Electric Motor Maintenance

Lubrication

The motor is supplied with pre-lubricated ball bearings,

lubricated for the life of the bearing.

Motor Brushes

Motor brushes need periodic inspection and replace-

ment as wear indicates. Standard brushes have an ini-

tial length of 1” and should be replaced when they are

worn to a length of 1/2”. Brush wear is greatly influenced

by individual application and it is recommended that

brush wear be checked at early intervals of operation in

order to determine future required inspection.

To change the brushes:

1. Unplug the machine.

2. Remove the cover over the motor.

3. Open the two covers at the rear of the motor.

4. Disconnect the brush wire.

5. Pull out the wire.

6. Push the brush retainer clip in and withdraw.

7. Remove the worn brushes.

8. Install new brushes in the reverse order.

To increase brush life, new brushes (Part #331778) for

110 volt) need to have a run in period. After changing

brushes, set the machine for spraying. With a bucket of

Pump Conditioner and water, a 50’ 1/4” airless hose, air-

less gun and tip on unit, open the prime/pressure relief

valve and switch on. The pump will now prime. With

pump running in the prime mode, turn the pressure con-

trol knob to high pressure. (The pump has to cycle fast

with no pressure in the pump). Run the pump for 20 min-

utes and the brushes will be run in.

Servicing the Fluid Pump

Fluid Pump Disconnect

1. Relieve Pressure, page 7.

2. Flush out the material you are spraying.

3. Remove the connecting rod shield (12).

4. Move the piston rod (10) to its lowest position by

cycling pump slowly.

5. Turn off the motor and disconnect the power from

the unit.

6. Disconnect fluid tube (16) from pump body.

7. Remove the suction tube assembly from the fluid

pump (9) by unscrewing the suction nut (7) with the

packing adjustment tool. (865008)

8. Remove the retaining ring (4) from the connecting

rod (2) and slide the sleeve (3) down revealing the

connecting rod pin (1).

9. Using a 1/2” wrench unscrew the two bolts (8) from

the cover assembly (14). The fluid pump (9) will be

hanging loosely at this point.

10. Remove the connecting rod pin (1) out of the con-

necting rod, allowing the removal of the fluid pump

(9) from the machine.

ti16051a

331778

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 35 36

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AIRLESSCO 3A1182B Manuel d'instructions Page 11

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