Engine Maintenance (Rev 6/98)
58
Maintenance
The fuel system is relatively trouble-free and if properly
maintained will usually not require major service repairs
between engine overhauls.
Contamination is the most common cause of fuel system
problems. Therefore, to ensure best operating results, the
fuel must be clean and fuel tanks must be free of contami-
nants. Change the fuel filters regularly and clean the fuel
strainer on the inlet side of the transfer pump.
Whenever the fuel system is opened, take the following pre-
cautions to prevent dirt from entering the system:
1.
Cap all fuel lines.
2.
Work in a clean area whenever possible.
3.
Complete the work in the shortest possible time.
Any major injection pump or nozzle repairs should be done
by a quality diesel injection service shop. The necessary ser-
vice equipment and facilities are not found in most engine
rebuild shops because of the large investment required.
The following procedures can be done under field condi-
tions:
•
Bleeding air from the fuel system.
•
Fuel tank and filter system maintenance.
•
Prime pump (hand) replacement or repair.*
•
Transfer pump replacement or repair.*
•
Injection line replacement.*
•
Pump and governor adjustments.
•
Pump timing.
•
Nozzle spray pattern testing and adjustment.*
•
Minor rebuilding of nozzles.*
*These procedures are covered in the di 2.2 and se 2.2
Overhaul Manual TK 8009.
Bleeding the Fuel System
If the engine runs out of fuel, repairs are made to the fuel
system, or if air gets into the system for any other reason,
the air must be bled out of the fuel system.
NOTE: MAKE SURE the fuel tank vent is kept open. If
the vent becomes clogged, a partial vacuum develops in
the tank, and this increases the tendency for air to enter
the system.
To bleed air from the fuel system:
1.
Loosen the bleed screw on top of the injection pump
about one turn.
2.
Unscrew the hand pump handle and manually prime the
fuel system until air bubbles are no longer visible in the
fuel coming out of the bleed screw.
3.
Tighten the bleed screw and screw the hand pump
handle back in.
4.
Start the engine and observe the engine run for a few
minutes. If the engine fails to start, or starts but stops in
a few minutes, repeat the procedure.
NOTE: If the engine stops due to lack of fuel, the oil pres-
sure will fall to zero and the reset switch will trip. It must
be reset before cranking or restarting the engine.
Water in the System
Water run through the system may damage the injection
pump or nozzles. Damage to the fuel system will subse-
quently cause more expensive damage to the engine. A
large accumulation of water in the bottom of the fuel tank
will stop a diesel engine. Water should be drained off during
scheduled maintenance inspections to prevent breakdowns.
Drain the water off after the fuel tank and unit have
remained idle for an hour.
Содержание Super II SR+
Страница 4: ......
Страница 10: ...ii ...
Страница 14: ...4 ...
Страница 22: ...Unit Description Rev 6 98 12 Front View AEA1350 ...
Страница 23: ...Unit Description Rev 6 98 13 Right Side Door Open AEA1351 ...
Страница 24: ...Unit Description Rev 6 98 14 Left Side Doors Open AEA1352 ...
Страница 26: ...Operating Instructions Rev 6 98 16 Control Box Cover AEA1354 ...
Страница 34: ...24 ...
Страница 42: ...Electronic Controls Rev 6 98 32 SOFTWARE REVISION 04XX ALARMS AEA1358 ...
Страница 82: ...72 ...
Страница 90: ...80 ...
Страница 116: ...106 ...
Страница 120: ...110 ...
Страница 130: ...120 ...
Страница 141: ...131 Schematic Diagram SBIII SII RMNII 30 SR MPIV ...
Страница 142: ...132 Wiring Diagram SII SBIII RMN30 SR MPIV Page 1 of 4 ...
Страница 143: ...133 Wiring Diagram SII SBIII RMN30 SR MPIV Page 2 of 4 ...
Страница 144: ...134 Wiring Diagram SII SBIII RMN30 SR MPIV Page 3 of 4 ...
Страница 145: ...135 Wiring Diagram SII SBIII RMN30 SR MPIV page 4 of 4 ...