Gasboy Blackmer GDP - Manual (Page 11)

MDE-4096C Blackmer® Global Dispenser Pump Operation, Maintenance and Kit Installation Manual · April 2008 Page 11
Maintenance
PCV Removal
Excessive wear on the PCV can cause improper pump performance, including
flow loss or excessive or low discharge pressure.
CAUTION
To remove the PCV, proceed as follows:
1 Drain the pump following the procedure provided in the section “Draining Pump” on page 8 .
2 Remove the snap ring (15) (see Figure 3 ).
3 Using a 16 mm socket wrench, turn the valve cover (13) outward or counterclockwise (CCW)
until completely removed.
4 Remove the spring (12) and valve (10).
5 If the valve does not come out with the spring, use needle nose pliers to remove it from the
bore.
PCV Installation
To install the PCV, proceed as follows:
1 Inspect valve (10) for damage or excessive wear. Replace if necessary.
2 Install PCV in the reverse order of removal (see Figure 3 ).
Figure 3: PCV
Snap Ring (15)
Valve Cover (13)
Cover O-Ring (14)
Spring (12)
Valve (10)