May 2022
Service and Repair Manual
Perkins 403D-11 Engine
Part No. 1306516GT
GS
™
-2669 RT • GS
™
-3369 RT • GS
™
-4069 RT
45
2 Coolant temperature switch: Tag and
disconnect the wiring from the switch, located
at the engine coolant outlet just above the
alternator. Remove the switch from the
engine.
Oil Pressure switch: Tag and disconnect the
wiring from the switch, located at the top of
the engine just in front of the valve rocker
cover. Remove the switch from the engine.
Bodily injury hazard. Contact
with hot engine fluids or
components may cause severe
burns.
3 Coolant temperature switch: Install the new
switch. Torque to 20 ft-lbs / 27 Nm.
Oil Pressure switch: Install the new switch.
Torque to 88 in-lbs / 10 Nm.
Note: Always use pipe thread sealant when
installing a new switch.
6-4
Engine RPM
How to Adjust the RPM
1 Start the engine from the ground controls.
2 Hold the start toggle switch to the start
position and check the engine RPM on the
diagnostic display. Refer to Specifications,
Engine Specifications
. Proceed to step 4 if the
low idle is correct.
3 To correct the low idle speed, loosen the
locknut on the low idle adjustment screw.
Turn the low idle adjustment screw on the
linkage clockwise to increase rpm or
counterclockwise to decrease rpm. Tighten
the lock nut and recheck the rpm.
1 solenoid
2 yoke locknut
3 yoke
4 low idle lock nut
5 low idle adjustment screw
Summary of Contents for GS-2669 IC
Page 141: ...May 2022 Service and Repair Manual 127 GM 998L Engine Wire Harness...
Page 144: ...Service and Repair Manual May 2022 130 Control Panel Circuit Diagram...
Page 145: ...May 2022 Service and Repair Manual 131 Electrical Schematic GS 69 RT GM 998L Models ANSI CSA...
Page 148: ...Service and Repair Manual May 2022 134 Electrical Schematic GS 69 RT GM 998L Models ANSI CSA...
Page 149: ...May 2022 Service and Repair Manual 135 Electrical Schematic GS 69 RT GM 998L Models ANSI CSA...
Page 152: ...Service and Repair Manual May 2022 138 Electrical Schematic GS 69 RT Diesel Models ANSI CSA...
Page 153: ...May 2022 Service and Repair Manual 139 Electrical Schematic GS 69 RT Diesel Models ANSI CSA...
Page 156: ...Service and Repair Manual May 2022 142 Electrical Schematic GS 69 RT Diesel Models ANSI CSA...
Page 157: ...May 2022 Service and Repair Manual 143 Electrical Schematic GS 69 RT GM 998L Models AS CE...
Page 160: ...Service and Repair Manual May 2022 146 Electrical Schematic GS 69 RT GM 998L Models AS CE...
Page 161: ...May 2022 Service and Repair Manual 147 Electrical Schematic GS 69 RT GM 998L Models AS CE...
Page 164: ...Service and Repair Manual May 2022 150 Electrical Schematic GS 69 RT Diesel Models AS CE...
Page 165: ...May 2022 Service and Repair Manual 151 Electrical Schematic GS 69 RT Diesel Models AS CE...
Page 168: ...Service and Repair Manual May 2022 154 Electrical Schematic GS 69 RT Diesel Models AS CE...
Page 169: ...May 2022 Service and Repair Manual 155 Hydraulic Schematic GS 69 RT...
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