SSANGYONG MUSSO 1998 Workshop Repair Manual
MUSSO 1998
SSANGYONG
SSANGYONG
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SSANGYONG MUSSO 1998 Workshop Repair Manual
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Page 731 of 1463
1F3-2 OM600 ENGINE CONTROLS
FUEL SYSTEM
1 Fuel Injection Pump
2 Fuel Feed Pump
3 Overflow Valve
4 Injection Nozzle
5 Pre-filter6 Fuel Return Hose
7 Injection Line
8 Fuel Tank
9 Fuel Filter
10 Choke Orifice
MAINTENANCE AND REPAIR
ON-VEHICLE SERVICE
Page 732 of 1463
OM600 ENGINE CONTROLS 1F3-3
FUEL INJECTION PUMP CODING
Model Code
PES 4M 55C 320 RS 167
PES 5M 55C 320 RS 168
Fuel Injection Pump Code
Example)PES 5M 55C 320 RS 168
P Pump
E Self-Driven
S End Flange Mounting
5 Number of Cylinders (5EA)
M Pump Size
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
OM661 LA Engine
OM662 LA Engine
Page 733 of 1463
1F3-4 OM600 ENGINE CONTROLS
FUEL TANK
1 Fuel Tank
2 The Sender of Fuel Tank
3 2-way Check Valve
4 Pre Filter
5 Front Fuel Filler Neck
6 Rear Fuel Filler Neck
7 Fuel Supply Tube8 Fuel Return Tube
9 Filter Hose
10 Fuel Tank Hose
11 Fuel Filler Cap
1 2 Clip
1 3 Clip
Page 734 of 1463
OM600 ENGINE CONTROLS 1F3-5
VACUUM CONTROL SYSTEM TEST
2 Engine Cut-Off Valve (Ignition Key Switch)
3 Auto-locking Hub Solenoid Valve
4 Engine Stop Valve Unit
5 PLA Vacuum Unit (Idle Speed Adjustment)
6 Engine
7 Vacuum Pump8 30° Thermovalve
9 Fuel Injection Pump
10 Filter with Restriction
11 Check Valve
12 Modulating Pressure Line (Automatic T/M)
Test Data
Idle Speed Increase
Permissible Pressure Drop of SystemAt least 100 rpm at approx. 500mbr
400 - 500mbar approx. 1 min.
Page 735 of 1463
1F3-6 OM600 ENGINE CONTROLS
Temperature measuring instrument with test probe
WB24 Digital tester Tools Required
001 589 73 21 00 Vacuum Pump
201 589 13 21 00 Vacuum Tester
667 589 00 21 00 TDC pulse generator
Commercial Tools
e.g. Bosch MOT 001.03
Sun DIT 9000
e.g. Ahlborn, Therm 2263-2
Eichenfeldstrabe 1 - 3
D-8150 Holzkirchen
Tester Connection
11 TDC Pulse Sender Unit
12 Digital Tester
Page 736 of 1463
OM600 ENGINE CONTROLS 1F3-7
Vacuum 500 mbar
Lines and connections leaking.
Faulty PLA vacuum unit.
Test step 1
Connect vacuum pump (14) with Y adapter to PLA
vacuum unit (5). Run engine at idle speed.
YES
NO
(Remove the connection hose from vacuum pump)
Connect vacuum pump (14) direct to PLA vacuum unit
(5) and pressurize with vacuum.
Vacuum is built up and idle speed increases approx.
150-200 rpm
YESNO
Faulty PLA vacuum unit
(Coolant Temperature 30°C)
Stop the engine Seal the air admission line with plug.
Connect the vacuum pump to line to thermovalve and
pressurize the line with vacuum.
Vacuum is built up.
YESNO
Lines and connectors leaking.
Faulty thermovalve.
= >
Page 737 of 1463
1F3-8 OM600 ENGINE CONTROLS
Detach line downstream of air admission filter (13).
Vacuum drops.
Faulty thermovalve
Fit the line onto air admission filter. Built up vacuum with
vacuum pump. Detach the plug from air admission line.
Vacuum drops.
Faulty filter with restriction.
Go to test step 2. YES
NO YES NO
Page 738 of 1463
OM600 ENGINE CONTROLS 1F3-9
Test step 2
Connect vacuum pump (14) with Y adapter to PLA
vacuum unit (5). Run the engine at idle speed.
Vacuum drops to ‘0’ at approx. 30°C of the thermovalve.
Faulty thermovalve.
Defective filter with restriction.
Stop the engine. Detach the filter with restriction.
Filter with restriction is clear.
Defective filter with restriction. YESNO
YES NO
Page 739 of 1463
1F3-10 OM600 ENGINE CONTROLS
VACUUM PUMP (SECTIONAL VIEW)
2 Suction Valve
4 Piston
5 Pressure Valve
6 Safety Valve
7 O-Ring
8 Pump Housing
9 Pump Cover
12 Lever
14 Outer Return Spring
15 Inner Spring Retainer16 Roller Cam
17 Piston Rod
21 Inner Return Spring
23 Upper Spring Retainer
28 Piston Ring
30 Seal Ring
31 Oil Return Valve
32 Restrictor
SB To Brake Booster
SK To Vacuum Lines
Page 740 of 1463
OM600 ENGINE CONTROLS 1F3-11
VACUUM PUMP TEST
1 Fuel Filter
2 Vacuum Line3 Ancillaries Connection
4 Vacuum Tester
Tools Required
201 589 13 21 00 Vacuum Tester
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