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HARDI
®
GAS ENGINE ESTATE SPRAYER OPERATOR’S MANUAL
7.3 Nozzle Filter
s
WARNING:
NEVER SERVICE YOUR CONTAMINATED NOZZLES
WITHOUT WEARING CHEMICAL RESISTANT GLOVES AND
SAFETY GOGGLES.
Each nozzle assembly is equipped with a 50 mesh filter screen as
standard. A properly maintained suction filter will eliminate plugging of
the screens and nozzles.
7.4 Nozzle Tube
s
and Fitting
s
Poor seals are usually caused by:
• Missing O-rings or gaskets
• Damaged or incorrectly seated O-rings
• Dry or deformed O-rings or gaskets
• Foreign materials
Therefore, in case of leaks;
DO NOT
overtighten any fittings (Fig 5).
Disassemble, check the condition and position of the O-ring or gasket,
clean, lubricate and then reassemble. For radial seals (O-ring) (Fig 5),
only hand tighten the fittings. Do not use pliers or wrenches.
The O-rings need to be lubricated ALL THE WAY AROUND before
fitting on to the nozzle.
HARDI
®
recommends using a vegetable based oil to prolong the life of
the O-ring.
7.5 Pump Maintenance
Changing the valve
s
Remove valve cover
1
(Fig 6). Before changing the valves
2
(Fig 6),
note the orientation of the valves so that they may be replaced
correctly. It is recommended to use new seals
3
(Fig 6) when changing
or checking the valves.
Fig. 5
Содержание ES 50
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Страница 35: ...33 HARDI GAS ENGINE ESTATE SPRAYER OPERATOR S MANUAL M600 BRASS MANUAL CONTROL ...
Страница 36: ...34 HARDI GAS ENGINE ESTATE SPRAYER OPERATOR S MANUAL ES 50 80 TANK ...
Страница 37: ...35 HARDI GAS ENGINE ESTATE SPRAYER OPERATOR S MANUAL ES 50 80 FRAME ...
Страница 38: ...36 HARDI GAS ENGINE ESTATE SPRAYER OPERATOR S MANUAL SM 50 80 TANK FRAME ...
Страница 40: ...38 HARDI GAS ENGINE ESTATE SPRAYER OPERATOR S MANUAL 14 HD BOOM ...
Страница 41: ...39 HARDI GAS ENGINE ESTATE SPRAYER OPERATOR S MANUAL SPRAYGUN ...
Страница 42: ...40 HARDI GAS ENGINE ESTATE SPRAYER OPERATOR S MANUAL HOSE REEL ...
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