Anest Iwata ALS 333 C, Instruction And Maintenance Manual

Page: 26 / 48

26
6.4 Disassembly and re-assembly procedure
WARNING
BEFORE STARTING ANY MAINTENANCE OPERATION REMOVE THE AIR SUPPLY PIPE AND MAKE
SURE THE INNER RESIDUAL PRESSURE HAS BEEN RELEASED.
NOTE: The numbering of the follows components refers to the exploded view drawings of Airless
Unit in chapter 8.0.
6.5 Motor group disassembly
1. Remove the handle (1), the two nuts (3), the handle gasket (2) and unscrew the cylinder nut (4)
2. Unscrew the air cylinder fixing bolts (31) and disassemble the cylinder itself (6)
3. Push the change-over body downwards and unscrew the valves adjusting nuts (13). During this ope-
ration, keep the adjusting valves (23) blocked by means of a slotted screwdriver.
4. Unscrew the two valves (23) from the change-over bar (12) and slip them out.
5. Lifting the change-over rod (15), it is possible to remove the two pins (8), the change-over pivot (9),
the change-over body (7), the springs (10) and the change-over bar (12).
6.6 Motor group maintenance
Any time the motor is disassembled it is recommended to replace the following components:
-
5
O RING
-
16
O RING
-
17
INNER VALVE
-
23
OUTER VALVE
-
26
O RING
-
27
O RING
Moreover, check the wear condition of all the other components, and if necessary replace them
c
hange
-
over rod
(15)
change
-
over body
(7)
spring
(10)
nut
(13)
change
-
over pivot
(9)
change
-
over bar
(12)
valve
(23)
pin
(8)
PICTURE 3