1997 SSANGYONG KORANDO Idle control

OM600 ENGINE CONTROLS 1F3 -- 3
D AEW OO M Y_2000
FUEL INJECTION PUMP CODING
Model Code
OM661 LA EnginePES 4M 55C 320 RS 167
OM662 LA EnginePES 5M 55C 320 RS 168
Fuel Injection Pump Code
Example) PES 5M 55C 320 RS 168
PPump
E Self -- Driven
S End Flange Mounting
5 Number of Cylinders (5EA)
MPumpSize
55 Element Diameter
C Modification Letter
320 Assembly Number
R Direction of Rotation (clockwise)
S188 Special Version
RSF Governor
R Governor
S Coil Spring
F Drive Governor
Component Location
1. Fuel Injection Pump
2. Vacuum Unit (Stop Unit)
3. Control Lever
4. PLA Vacuum Unit (Idle Speed Adjustment)
5. Governor
6. Fuel Pump

OM600 ENGINE CONTROLS 1F3 -- 11
D AEW OO M Y_2000
Test Procedure
1. Remove the fuel filter (1) and keep the filter not to be
damaged from running engine.
2. Remove the vacuum line from ancillaries connection
(2).
3. Connect the vacuum tester (3) to the ancillaries con-
nection (2).
Vacuum Tester 201 589 13 21 00
4. Run the engine at idle and check vacuum pressure
after 30 sec.
Standard>70mbar
Notice
If out of standard, replace the vacuum pump.
5. Remove the vacuum tester.
6. Connect the vacuum line to the ancillaries connec-
tion.
7. Install the fuel filter.

OM600 ENGINE CONTROLS 1F3 -- 15
D AEW OO M Y_2000
IDLE SPEED ADJUSTMENT
Service Data
EngineIdle Speed
OM661LA Engine750 -- 850 rpm
OM662LA Engine720 -- 820 rpm
Tools Required
667 589 00 21 00 TDC Pulse Generato
Commercial Tool
Digital Testere.g. Bosch, MOT 001.03g
Sun, DIT 9000
Adjustment Procedure
1. Connect the digital tester (1) and TDC pulse sender
unit (11).
2. Run the engine and warm up the coolant to
60~80_C.
TDC pulse generator 667 589 02 21 00
3. Disconnect the vacuum hose (4) from the PLA unit
to check idle speed with tester.
4. Check idle speed with tester.
OM 661LA Engine750 -- 850rpm
OM 662LA Engine720 -- 820rpm
Notice
To adjust idle speed, loosen the locking nut (6) of
PLA unit.

1F3 -- 16 OM600 ENGINE CONTROLS
D AEW OO M Y_2000
5. Ensure not to damage the idle spring in the governor
and adjust idle speed by turning the PLA unit (5)
slowly.
ClockwiseRPM Decrease
CounterclockwiseRPM Increase
Notice
Do not rotate the PLA unit over 1/2 turn from the
position marking. If do, idle spring in the governor
will be severely damaged.
6. After adjustment, tighten the locking nut and place
the position marking with different color of paint.
Notice
If there are no changes in idle speed with PLA unit
adjustment, perform the service at a BOSCH Ser-
vice Center.
7. Connect the vacuum pump to the PLA vacuum unit
and build up vacuum approx. 500mbar. If engine
rpm increases by approx. 100rpm, It is normal.
Vacuum Pump 001 589 73 21 00
8. Connect the vacuum line (4).
9. Switch on all ancillaries and check the idle speed.

OM600 ENGINE CONTROLS 1F3 -- 19
D AEW OO M Y_2000
Tools Required
617589042100 Tester
1. Disconnect the fuel line (2) from the fuel filter.
2. Remove the banjo bolt (4) from the fuel injection
pump and remove the seals (3) and fuel line (2).
3. Connect the tester (5).
4. Start the engine and read off the fuel pressure on
tester (5).
Notice
At Idle Speed> 0.3bar
At Full load> 0.5bar
If out of standard, replace the fuel feed pump.
Tester 617 589 04 21 00
5. Stop the engine.
6. Remove the tester.
7. Replace the seal and connect the fuel line (2).

OM600 ENGINE CONTROLS 1F3 -- 39
D AEW OO M Y_2000
(Connection Diagram for Testers With Adapter)
1 Fuel Injection Pump
2 Rl Sensor
3 Digital Tester4 TDC Pulse Sender Unit
5 Battery
6 Rl Pulse Generator
Service Data
Start of Delivery (RIV)AT DC 1 4_-- 1 6_
Idle SpeedOM661LA : 720 -- 820 rpm, OM662LA : 750 -- 850 rpm

1F3 -- 40 OM600 ENGINE CONTROLS
D AEW OO M Y_2000
Tools Required
617 589 09 21 00 Rl Sensor
617589102100 TimingTester
667589002100 TDCPulseGenerator
Commercial Tools
ItemTools
Digigal TesterWith Pulse GeneratorBosch, MOT 001.03gg
Hartmann & Braun, EOMT3
Without Pulse GeneratorBosch, ETD 019.00
Sun, DIT 9000
ALV, Diesel -- Tester 875
Test Procedure
1. Remove the screw plug (7) and seal (8) collect oil in
a suitable vessel.
2. Install the Rl sensor into the governor housing of in-
jection pump (1).
Rl Sensor 617 589 10 21 00
3. Connect the digital tester and TDC pulse sender unit
according to connection diagram.
4. Run the engine at idle speed and check the Rl value
on the digital tester
Rl valueAT DC 1 4_-- 1 6_
Notice
If out of standard, adjust the start of delivery.
5. Stop the engine.
6. Remove the Rl sensor, digital tester and TDC pulse
sender unit.
7. Replace the seal and tighten the plug.
8. Check engine oil level and adjust if necessary.
Tightening Torque30 N∙m (22 lb-ft)

1F3 -- 44 OM600 ENGINE CONTROLS
D AEW OO M Y_2000
Adjustment Procedure
1. Remove the bolt (3) at the supporting bracket.
2. Remove the bolts (1) at the timing case cover.
3. Run the engine at idle speed.
4. Turn the adjusting screw (2) until the specification
(15_±1_ATDC) is indicated on the digital tester.
To the RightStart of Delivery Retarded
To the LeftStart of Delivery Advanced