Section 4 • Repair Procedures
November 2014
4 - 30
GS-2669 RT • GS-3369 RT • GS-4069 RT
Part No. 229753
6-1
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 Section 2,
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. See the illustration.
4 Move the engine idle control switch to high idle
(rabbit symbol) from the ground controls.
5 Hold the start toggle switch to the start position
and check the engine RPM on the diagnostic
display. Refer to Section 2,
Specifications
.
6 To correct the high idle speed, loosen the yoke
lock nut on the high idle solenoid, then turn the
high idle adjustment nut and solenoid boot
counterclockwise to increase the rpm or
clockwise to decrease the rpm. Tighten the
yoke lock nut and recheck the rpm. See the
illustration.
Note: Be sure the solenoid fully retracts when
activating high idle.
Perkins 403D-11 Engine
a
solenoid
b
yoke locknut
c
yoke
d
low idle lock nut
e
low idle adjustment screw
Summary of Contents for GS-2669 RT
Page 169: ...Section 6 Schematics November2014 6 9 Control Panel Circuit Diagram 6 10 ...
Page 235: ...Section 6 Schematics November2014 6 75 6 76 Electrical Schematic GS 4069 RT Gas LPG Models AS ...
Page 238: ...November2014 Section 6 Schematics 6 78 Electrical Schematic GS 4069 RT Gas LPG Models AS 6 77 ...
Page 243: ...Section 6 Schematics November2014 6 83 Electrical Schematic GS 4069 RT Diesel Models AS 6 82 ...
Page 246: ...November2014 Section 6 Schematics 6 86 Electrical Schematic GS 4069 RT Diesel Models AS 6 85 ...
Page 251: ...Section 6 Schematics November2014 6 91 Electrical Schematic GS 4069 RT Gas LPG Models CE 6 92 ...
Page 254: ...November2014 Section 6 Schematics 6 94 Electrical Schematic GS 4069 RT Gas LPG Models CE 6 93 ...
Page 259: ...Section 6 Schematics November2014 6 99 6 100 Electrical Schematic GS 4069 RT Diesel Models CE ...
Page 267: ...Section 6 Schematics November2014 6 107 Hydraulic Schematic GS 2669 RT and GS 3369 RT 6 108 ...
Page 270: ...November2014 Section 6 Schematics 6 110 Hydraulic Schematic GS 4069 RT 6 109 ...