INSTRUCTIONS MANUAL – BA41E
File: 4700369943_ENG_NO.doc
Page 9 / 25
WORKSHOP INSTRUCTIONS
DISASSEMBLY
1. Needed parts: Disassembly tool N°4700363380.
2. Dismantle the cover , unscrew the tank from the
frame.
3. Unscrew the 5 screws 4 and take-off the tank.
4. Unscrew the 4 nuts 5 and take-off the assy motor-
pump.
5. Remove the pump plate 6.
6. Extract the pump wheel 7 by using tool N°
4700363380.
7. Take off tolerant ring 8 and the key 9 from the
motor shaft.
8. Unscrew the 4 screws 10 and take off the pump
body 11.
9. From the pump body 11 extract sealing 12, 13, 14
seal holders 15 and 16.
ASSEMBLY
1. Put in place seal 12 on the motor shaft. Fill all the
space around the seal with high vacuum grease.
2. Place in order in the pump body 11: Seal holder 15
equipped with its seal 13, seal holder 16 equipped with seals 14 and 12. Before assembly grease all
the parts and fill all the space between seal holder 15 and 16. Use high vacuum grease.
3. Position the complete pump body on the motor shaft and then tight screws 10.
4. Place tolerant ring 8 on the pump shaft and key 9. Push the pump wheel 7 on the pump shaft by using
tool 367228.
IMPORTANT
Tolerant ring must be replaced each time the pump wheel is dismantled.
A gap of 0.1mm must be respected between the pump wheel and the bottom of the pump body .
5. Put the pump plate 6 on the pump body.
6. Place the tank with its rubber seal on the pump and then tight screws 4. Tightening torque : 2mkg.
7. Tight the tank 2 and cover 1 on the frame 3.
