36
HARDI
®
New NAVIGATOR OPERATOR’S MANUAL
Torque Settings for 363/463 pumps
Pump Valve Cover Diaphragm
Model Ft/lb(Nm) Bolt Ft/lb(Nm)
363 50 (70) 45 (60)
463 65 (90) 60 (80)
1 Ft/lb = 1.36 Nm
IMPORTANT!
Before tightening the 4 bolts for the
diaphragm cover
(A
Fig 37,
D
Fig 39) the diaphragm
must be positioned between center and top to ensure
correct sealing between diaphragm pump housing and
di a phragm cover (
Fig 38). Turn crank shaft if necessary.
correct
wrong
NOTE!
When tightening diaphragm cover it must
be ensured that diaphragm is
in neutral or out
.
If the diaphragm is in negative, the edge of the di-
aphragm is not seated correctly in the di a phragm
cover. This will damage the diaphragm so it cannot
seal correctly after having been dis man tled and
re-assembled.
You must rotate the pump until the diaphragm is
neutral or out.
4
Reassemble with torque settings shown in
Torque
settings (below).
Pump valves and diaphragms replacement
(1302 pumps)
NOTE!
It is recommended that if one or more
diaphragms and/or valves need replacing they all
should be replaced.
Diaphragm pump overhaul kit (valves, seals,
di a phragms, etc.)
Pump model HARDI
®
part No.
1302 750175
Changing valves
1
Remove the valve covers (
A
Fig 39). Before
chang ing the valves (
B
Fig 39) note their orientation
so they are re placed correctly. It is recommended
to use new O-rings (
C
Fig 39) when changing or
checking the valves.
Changing diaphragms
1
Remove the diaphragm covers (
D
Fig 39).
2
Remove the diaphragm bolts (
E
Fig 39).
3
The diaphragms (
F
Fig 39) may now be changed.
4
If fl uids have reached the crankcase, re-grease the
pump thoroughly. Also check the drain hole at the
bottom of the pump is not blocked.
5
Reassemble with torque settings shown below.
Torque Settings for 1302 pumps
Pump Valve Cover Diaphragm Diaphragm
Model Ft/lb(Nm) Bolt Ft/lb(Nm) Cover
1302 45 (60) 45 (60) 50 (70)
1 Ft/lb = 1.36 Nm
A
B
C
D
E
F
A = Valve Cover
B = Valves
C = O-rings
D = Diaphragm Cover
E = Diaphragm Bolt
F = Diaphragm
Maintenance
Fig 38
Fig 39
Summary of Contents for New NAVIGATOR 1100
Page 1: ...New NAVIGATOR 67020803 10 04 Operator s Manual ...
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Page 34: ...32 HARDI New NAVIGATOR OPERATOR S MANUAL 7 Maintenance 6 C 500h B 50h ...
Page 57: ...55 HARDI New NAVIGATOR OPERATOR S MANUAL Notes ...
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