SKF 9918-A Serie Guía De Servicio página 12

Bench test and
operation
1 Slowly supply air pressure,
recommended minimum of
25 psi (1.7 bar), to pump motor.
1.1 Pump assembly should cycle.
NOTE
If pump assembly does not cycle, refer
to Troubleshooting (page 13) for
details.
With air pressure at zero:
2 Connect a product hose to pump
material outlet.
2.1 Direct hose into an appropriate
collection container.
3 Place pump in oil.
4 Slowly supply air pressure to
pump motor.
5 Allow pump to cycle slowly until oil is
free of air.
NOTE
If pump assembly does not prime, refer
to Troubleshooting (page 13) for
details.
WARNING

Do not operate pump if leakage is seen
anywhere in system.
Disconnect air to motor.
Failure to comply may lead to death or
serious personal injury.
With air pressure at zero:
6 Attach control valve to outlet hose of pump.
6.1 Make sure nozzle on control valve
is open.
7 Slowly supply air pressure to pump motor.
8 Allow pump to cycle slowly until oil is
once again free of air.
9 Set air pressure to normal operating
pressure.
10 Operate control valve into container.
11 Shut off control valve.
11.1 Visually inspect pump for external
leaks.
11.2 Pump should not cycle more than
once or twice in one hour.
12 Check motor for air leakage.
NOTE
If pump does not stall, refer to
Troubleshooting (page 13) for details.
12
Installation
NOTE
If motor leaks, refer to air motor service
guide for details.
Additional items that should be incorporated
into air piping systems are listed in Table 3.
Air line components
Part number Description
5604-2 Moisture separator
7604-B Regulator and gauge
Table 3