
29
Disassembly
10.
Dismantle the following parts: straight pin (18), sleeve (19), spring end (20), washer
(42), flyover spring (21), bearing bush (66) and roller (17).
!
Unless damaged, do not attempt to separate the spring end (20) from the straight
pin (18).
11.
Remove two set screws (41) using a hex key (a/f 3/16").
12.
Dismantle the following parts: cap (37), connecting rod (40), flyover (14), rod
end (49), rod end plug (35), conrod (34), conrod plug (33), crosshead (25), guide
plug (23) and locknut (27).
13.
Grip the locknut (27) with pliers and remove the piston (3) by pulling and rotating at
the same time.
!
Piston seal (64), O-ring (59) and bearing tape (76) should be left in place unless
worn.
!
The piston rod (24) should not be removed from the piston (3) unless it is to be re-
placed.
14.
Grip the inlet tube (44) in a soft-jawed vice.
15.
Remove the circlip (39) using circlip pliers.
16.
Remove from the vice and, holding the tank cleaner in your hand, gently tap the inlet
tube (44) with a nylon headed hammer.
!
Hold the cleaner over a tray to catch loose parts.
17.
Dismantle the following parts: inlet tube (44), bearing flange (38), ball set (61),
seals (26/55), index block (48), index lever unit, guide pin (50), index spring (13) and
split pin (72).
!
The O-ring (65) should be left in place unless worn.
18.
Remove the circlip (39) using circlip pliers.
19.
Hold the tank cleaner in your hand. Gently tap the nozzle carrier (36) with a nylon
headed hammer.
!
Hold the cleaner over a tray to catch loose parts.
20.
Dismantle the following parts: nozzle carrier (36), bearing flange (38), ball set (61),
seals (26/55), circlip (39), ball set (61) and O-ring (65).
NOTE
The main body assembly should not be dismantled unless any of its components are
damaged. It is strongly recommended that the main body assembly should be returned
to the manufacturer in this case. If this is not possible, carry out the following steps:
21.
Use a pin punch (Ø 3/16") to drift out two pins (63/80).
22.
Undo the hex screw (54) using a spanner (a/f 16.0 mm).
The main block (31) can now be separated from the cylinder (1) by tapping them
apart using a nylon headed hammer.
23.
Remove the valve slider (5) and the valve spindle (10).
24.
Grip the long water tube (6) in a soft-jawed vice. Holding the cylinder (1) by hand,
rotate and pull the water tube to release it.