Gasboy Blackmer GDP - Manual (Page 30)

Page 30 MDE-4096C Blackmer® Global Dispenser Pump Operation, Maintenance and Kit Installation Manual · April 2008
Troubleshooting
Checking Pump Vacuum
You are working in a potentially dangerous environment of flammable fuels and
vapors.
Fire or explosion could result in severe injury or death if you do not follow safe
procedures.
Read and follow all safety precautions as outlined in the section “Important
Safety Information” on page 4 .
WARNING
!
Do not use Teflon tape. Teflon tape may shred off and get caught within
components.
CAUTION
Ensure that fittings are properly tightened and check for leaks.
CAUTION
To check pump vacuum, proceed as follows:
1 Remove 1/4-inch NPT plug from the side of the strainer extrusion on pump face (see
Figure 13 ).
2 Install a long 1/4-inch pipe nipple by screwing into pump in order to extend beyond pump
pulley.
Figure 13: Pump Vacuum
Vacuum Port
Pipe Nipple
Vacuum Gauge
3 Attach the vacuum gauge into the pipe.