GB 14 02 02 MA
Maintenance
Occasional maintenance Occasional maintenance
Occasional maintenance Occasional maintenance
Occasional maintenance
The maintenance and renewal intervals for the following
will depend very much on the conditions under which the
sprayer will be operated and are therefore impossible to
specify.
Pump vPump v
Pump vPump v
Pump v
alvalv
alvalv
alv
es and diaes and dia
es and diaes and dia
es and dia
phrphr
phrphr
phr
aa
aa
a
gms rgms r
gms rgms r
gms r
eneene
eneene
ene
ww
ww
w
alal
alal
al
Model 363
Diaphragm pump overhaul kit (valves, seals, diaphragms etc.)
Pump model HARDI part No.
363 750342
Valves
Remove valve cover 1 before changing the valves 2 -
note their orientation so they are replaced correctly!
NOTE! A special valve with white flap 2A is used at the
two upperside inlets. It has to be placed in the valve
openings as shown. All others are the type with black flap.
It is recommended to use new gaskets 3 when changing
or checking the valves.
Diaphragms
Remove the diaphragm cover 4. The diaphragm 5 may
then be changed. If fluids have reached the crankcase,
re-grease the pump thoroughly. Also check that the drain
hole at the bottom of the pump is not blocked. Reas-
semble with the following torque setting.
Pump model Diaphragm cover Nm Diaphragm bolt Nm
363 90 90
1 Nm = 0.74 lbft
IMPORTANT! Before tightening the 4 bolts for the
diaphragm cover B the diaphragm must be positioned
between centre and top to ensure correct sealing be-
tween diaphragm pumphousing and diaphragm cover.
Turn crank shaft if necessary.
T192-0005
correct
wrong
T261-0001
DiaDia
DiaDia
Dia
phrphr
phrphr
phr
aa
aa
a
gmsgms
gmsgms
gms
Remove the diaphragm cover 4. The diaphragm 5 may
then be changed. If fluids have reached the crankcase,
re-grease the pump thoroughly. Check also the drain
hole at the bottom of the pump is not blocked. Reas-
semble with the following torque setting.
Pump model Valve cover Diaphragm cover Diaphragm bolt
Nm Nm Nm
1303 60 70 60
1 Nm = 0.74 ft-lb
Model 1303
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