EN – 48
Remove 4 nuts (
1
) then (
2
).
Insert two screwdrivers into the two notches and twist to remove plate off pins (
11
).
Pull flange (
4
) straight out, holding HP rotor (
9
) in place.
Remove O-ring (
5
).
Disassembling the rear flange (4)
C1 model: Remove the 2 screws (
32
) and remove the case bushing (
31
).
Remove screws (
21
) then (
18
) and equipped body (
11
).
Remove screws (
20
) then (
19
) and cylinder (
17
), spring (
16
), piston (
15
) and diaphragm
(
14
).
Remove seat (
13
) and O-ring (
12
). Change the O-ring prior to reassemble.
Unscrew the oil inlet tube fixation (
3
) and (
4
) and remove the stop (
5
) (
SD and C1
models
). Remove the oil inlet tube (
1
).
Unscrew air inlet tube (
7
) and remove spring (
6
).
If necessary, note settting of air inlet tube (
7
): number of turns until tube stops moving
turning clokwise.
Remove vane (
9
).
Disassembling oil pump (11)
(
see page N–6
)
Removing HP rotor (9) and
HP stator (12)
Removing flange (21)
Removing LP rotor (26)
and LP stator (29)
Disassembling the
pumping module
(see page N-4)
Removing the exhaust valve
cover (16) and (32)
Remove the screws (
18
), (
17
) then (
34
), (
33
) and the cover(s) (
16
), (
32
).
Remove the exhaust valves (
13
), (
30
) and their springs (
15
) (
31
) and for 63C1 model,
the washer (
14
).
Insert two screwdrivers in the notches of the
flange
(
21
) and release the
flange
(
21
).
Remove the O-ring (
24
).
Remove tube (
37
) and O-ring (
36
).
Remove the
HP rotor
(
9
) by sliding it out of the
HP stator
(
12
).
Remove vanes (
10
) and their springs (
39
).
Insert two screwdrivers in the two notches of the HP stator (
12
) and twist to remove
plate off pins (
19
).
Remove
HP stator
(
12
) straight out.
Remove the O-ring (
20
).
SD Model
Oil jet (
23
) lubricates the first stage. Do not remove it for cleaning.
When reassembling, spray with compresses air to remove any obstructions.
Remove the
LP rotor
(
26
) by sliding it out of the
LP stator
(
29
).
Remove vanes (
27
) and their springs (
38
).
Insert two screwdrivers in the two notches of the LP stator (
29
) and twist to remove
plate of pins (
7
) (
N-2
).
Remove
LP stator
(
29
) straight out.
Remove the O-ring (
35
).
Remove tube (
38
) and O-ring (
37
) (
N-2
).
19
3
5
20
21
23
22
4
16
14
13
12
19
18
17
15
Disassembling the pump (cont’d)
