S P 3 0 0 / 5 7 5 S Q U E E G E E / D UA L S P R AY M A C H I N E
Troubleshooting Guide –
Squeegee/Spray Machines
7.
Material Pump Doesn’t Build Pressure
A.
Another cause is the pressure compensator
located on the main hydraulic pump. It has a
rod in it that can get scratched over time and
the housing it moves in will also get scratched.
The whole unit will need replacing.
B.
The check balls and ball seats can also be
worn. The rubber coating on the balls can
be ripped or the balls can become deformed.
The seats will wear from and the balls will set
lower as the seats wear.
Summary of Contents for SealMaster SP 300
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Page 13: ...S P 3 0 0 5 7 5 S Q U E E G E E D UA L S P R AY M AC H I N E Tank Depth Chart...
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Page 19: ...S P 3 0 0 5 7 5 S Q U E E G E E D UA L S P R AY M AC H I N E Operation Spray Wand Application...
Page 20: ...S P 3 0 0 5 7 5 S Q U E E G E E D UA L S P R AY M AC H I N E Operation Spray Wand Application...
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