Inlet And Outlet Valve - Titan Impact 740 Operating Manual

repairs at the unit
11.2

INleT AND ouTleT vAlve

1. Remove the four screws in the front cover and then remove
the front cover.
2. Switch the unit ON and then OFF so that the piston rod is
positioned in the lower stroke position.
Danger of crushing - do not reach with the fingers
or tool between the moving parts.
3. Unplug the power plug from the outlet.
4. Pull off clamp on suction tube and remove return hose.
5. Unscrew the connection hose (Fig. 12, item 1) from the
high-pressure filter.
6. Swivel the unit 90° to the rear in order to work more easily
on the material feed pump.
7. Loosen and unscrew inlet valve housing (2) from the lower
housing (3) with light blows from a hammer or unscrew
with an adjusting wrench.
8. Remove bearing ring (4), O-ring (5), O-ring (6), inlet valve
seat (7), inlet valve ball (8) and upper ball guide (9).
9. Clean all the parts with the corresponding cleaning agent.
Check the inlet valve housing (2), inlet valve seat (7)
and inlet valve ball (8) for wear and replace the parts if
necessary. If the worn inlet valve seat (7) is unused on one
side, install it the other way around.
3
9
8
7
6
5
4
2
22
10. Carry out installation in the reverse order.
11. Unscrew lower housing (Fig. 13, Item 10) with adjusting
12. Remove bearing ring (13) and O-ring (12).
13. Screw out outlet valve housing (14) from the piston (15)
14. Remove the upper seal (16), upper ball guide (17), outlet
15. Clean all the parts with the corresponding cleaning agent.
16. Carry out installation in the reverse order.
1
Lubricate O-ring (5) with machine grease and ensure
proper seating in the inlet valve housing (2).
wrench while holding the upper housing (11) securely
with a second adjusting wrench.
with 3/8 inch hexagon socket head wrench.
valve ball (18), washer (19) and outlet valve seating (20).
Check outlet valve housing (14), outlet valve seat (20),
outlet valve ball (18) and upper ball guide (17) for wear
and replace parts if necessary. If the worn outlet valve seat
(20) is unused on one side, install it the other way around.
Lubricate O-ring (12) with machine grease and ensure
proper seating in the lower housing (10).
11
16
17
18
19
20
14
12
13
10
Impact 740
15