Assembly Of Rotors And Pump Cover; Assembly Of Rotors; Assembly Of Pump Cover - Johnson Pump Top Wing Series Manual

4.7.9

Assembly of rotors and pump cover

0450
4.7.9.1

Assembly of rotors

1. Place the rotors (0020) on the shafts.
2. Place O-rings (0800) on the retainers (0250) and fasten the retainers.
See chapter 4.5 Tightening torque for nuts and screws.
3. Block the rotors against each other by putting a block of soft material between the
rotors.
4. Tighten the retainers clockwise with the specified torque, using the retainer tool.
See chapter 4.5 Tightening torque for nuts and screws.
5. Check all clearances.
4.7.9.2

Assembly of pump cover

1. Put the O-ring (0801) into the groove in the pump cover.
2. Place the pump cover on the rotor case. Be sure that O-ring (0801) stays in the
groove and is not squeezed between pump cover and rotor case.
3. Secure the pump cover with cap nuts (0450).
50
0800
0801
0250
0030
Retainer tool
0020
A.0500.301/314.C – IM-TW/10.00 GB (0401)