23
AD
since 1928
AD
since 1928
5 / Directions for disassembly and reassembly
Warning ! Before any maintenance or repair is attempted, shut off the compressed air line and dis-
connect it from the pump. Allow all air pressure to bleed from pump. Close the suction and discharge
shut-off valves before disconnecting the pump. Drain pump carefully prior to disassembly.
5.2 - DISASSEMBLY
The only tools required to completely disassemble the AD pump, are :
- 2 pieces 13 mm combination spanners.
- 2 different hexagon (allen) keys, 2.5 and 5 mm.
It is also advised to use a small screwdriver to lift O-rings and rubber packings. For the reassembly a torque
wrench, adjustable up to 25 Nm, is also required.
5.1.1 - DIAPHRAGMS
1) Remove the 4 hexagon screws (1) and lift off the complete air motor (2) with the external air motor gas-
kets (3).
2) Remove the 4 cap nuts (4) on one side of the pump and separate the covers (5) from the pump housing.
Now the diaphragms (6) are loose and can be inspected or replaced.
5
6
4
2
3
1
AD Instruction Manual-2011EE-GB.indd 23
25/07/11 09:46
