Carrier Transicold X4 7300, Operation & Service Manual

Page: 222 / 282

62-11637 8–8
Figure 8.8 Electric Fuel Pump
8.5.4 Electric Fuel Pump Screen
To check or replace screen:
1. Ensure the unit will not start automatically by
disabling any two way communication and plac-
ing the STOP/RUN-OFF Switch in the OFF posi-
tion.
2. Remove bowl (See Figure 8.8 ).
3. Remove gasket and screen.
WARNING
!
Use the required protective eye wear and
clothing when working with solvents.
4. Wash screen in cleaning solvent and blow out
with air pressure. Clean bowl.
5. To Install reverse above steps.
6. Start unit and check for leaks.
8.5.5 Spin–On Fuel Filter Replacement
1. Ensure the unit will not start automatically by
disabling any two way communication and plac-
ing the STOP/RUN-OFF switch in the OFF posi-
tion.
2. Place a shallow pan under filter (item 7, Figure
8.5 ) and open drain valve (5) to drain contents.
3. Remove water separator and O-ring or heater
bowl and then remove element.
4. Install water separator on new element using
new O-ring or heater bowl on new element using
new gasket.
5. Fill new element with clean diesel fuel, lubricate
the seal and install. Tighten firmly by hand.
6. Start unit and check for leaks.
Figure 8.9 Suction Side Fuel Filter
8.5.6 Suction Side Fuel Filter Replacement
To replace filter:
1. Ensure unit will not start automatically by dis-
abling any two way communication and placing
the STOP/RUN-OFF switch in the OFF position.
NOTE
If required, use a lock collar wrench (Carrier
Transicold P/N 07–00423–00) to loosen the
collar or vent cap. Do not use the wrench to
install vent cap or collar, hand tighten only.
2. Place a shallow pan under filter ( Figure 8.9 ).
Remove the vent cap and open the drain valve
to drain the fuel below the collar level.
3. Remove the collar then remove the clear cover.
4. Remove filter element spring, cover seal and
vent cap seal. Dispose of the filter element and
seals properly.
5. Using a clean shop rag, clean the cover, collar
and threads on the filter body.
Screen
Gasket
Bowl
Heater
(If Equipped)
Collar
Vent Cap
Vent Cap Seal
Cover
Cover Seal
Spring
Filter Element
Check Valve
Drain Valve