Proheat X45–School Bus - Manual (Page 120)

1
TEST GUAGE
PK0060K
© 1995 Marine Canada Acquisition Inc. DBA SEASTAR SOLUTIONS 3831 No. 6 Road, Richmond, B.C. Canada V6V 1P6 Tel: 604.270.6899 Web: www.proheat.com
SER VICE BULLETIN
Copy Part# SB0062, Rev. A, 09/2011 Page 5 of 6
2. Inspect and clean all components.
8. Inspect and clean the cavity. Pay close attention to the
center hole in the cavity for any debris or a damaged edge.
The edge of the hole should be smooth with no nicks, do
not use any tool that may damage the edge as this will
cause loss of fuel pressure.
9. Place ball bearing back in cavity on the center hole.
10. Place spring back in hole with brass ball guide on top of
ball bearing.
11. Lubricate O-ring with diesel fuel.
12. Install pressure relief valve cap and torque relief valve to
22 ±2 in-lbs (2.5 ±0.2 Nm)
13. Re-test the fuel pressure.
14. If fuel pressure is still below 5 PSI replace relief valve or
fuel pump assembly.
Reassembly
Figure H.
1. Remove test gauge PK0060K.