Hardi TERRA FORCE BOOM, Operator'S Manual

Page: 26 / 40

6 - Maintenance
6.4
Occasional maintenance
General info
The maintenance and replacement intervals for the following will depend very much on the conditions under which the
sprayer will be operated and are therefore impossible to specify.
Feed pipe snap-lock assembly
Disassembly
1.
Screw the union nut (A) completely off.
2.
Pull the feed piping and hose barb apart.
3.
Take out the O-ring (B).
4.
Inspect and oil O-ring (B). Change the O-ring (B) if worn, before
reassembly.
Reassembly
1.
Check that the barbed lock ring (C) is fitted to the feed pipe with
barb pointing away from pipe opening.
2.
Fit the oiled O-ring (B) on top of the lock ring (C).
3.
Push the feed pipe and hose barb together.
4.
Screw the union nut (A) on the hose barb and tighten union nut
(A) by hand.
Initial fitting of fittings
˜
ATTENTION! This method can only be used for pipes not fitted
into pipe clamps.
1.
Fit the barbed lock ring (C) to the feed pipe with barb pointing
away from pipe opening.
2.
Fit the oiled O-ring (B) on top of the lock ring.
3.
Screw the union nut (A) partly on the hose barb.
4.
Press the feed pipe and hose barb together.
5.
Tighten the union nut (A) by hand.
Feed pipe clamp assembly
A feed pipe can be removed from the pipe clamps the following way:
1.
Use a flat bladed screwdriver to pry the cover off the first corner (A).
2.
Hold the clamp top with your hand and pry off the opposite corner
(B) with the screwdriver.
3.
Pry off the other side of the pipe clamp with the screwdriver.
4.
Take out the feed pipe.