If oil is not
visible in return sight glass
Check FPR status in DID. If showing OFF check coil wire connection
Energised condition of relay is indicated by Red & de energised
condition is indicated by green
Contact shed for using bypass switch/wedging
If FPR is picked up
but FPM is not working, use standby FPM / Inverter
In some Locos, standby
FPM with Changeover switch may be provided in Accessories Room
In some Locos, standby
Inverter may be provided with changeover switch in Accessories room
Procedure
to run standby FPM
Switch OFF Fuel Pump
Breaker
Operate changeover
Switch
Change Fuel pipeline
COCs position
Switch ON Fuel Pump
Breaker
Procedure
to run FPM with standby inverter
Switch OFF Fuel Pump
Breaker
Operate changeover
Switch
Switch ON Fuel Pump
Breaker
Note: If FPM is
still not working, Contact shed
If engine not
firing due to air lock in fuel oil system
Air lock is indicated by bubbles in Fuel return sight glass
To release it, open Air lock releasing cock slightly (provided above
Primary filter)
Take care to avoid high pressure fuel spillover while opening
If engine not
firing due to water contamination in fuel oil system
Water mixing is indicated by white colour of fuel in return sight glass
To release it, open fuel oil system water drain cock below lube oil
filter
Close it after pure oil is filled in return sight glass
Fuel oil primary
filter Chocked
It is indicated by fuel oil filter condition gauge
Green – Filter is Good condition
Yellow – Filter is getting choked
Red – Filter needs to be changed
Inform shed if indicating yellow / Red and also make remarks in Repair
book
Fuel oil secondary
(spin on) filter Chocked
It is indicated by
fuel oil filled in bypass sight glass
Inform shed if choked
If choking
is less, Hauling may be affected
If choking
is more, Engine may shut down
Fuel Return Sight glass is damaged
Replace
glass with Bypass Sight glass duly ensuring no oil available in that glass.
Also ensure proper sealing and tightening.
Clear
section – Contact PRC / Shed
