Service manual

G420F(FE) Service Manual 318 Appendix
Ground Speed Limits (Option)
The maximum allowable speed of Doosan forklifts is
an optional feature that can be easily activated using
the MotoView service tool. This feature is very
useful to customers with indoor warehouse
operations.
Here’s how you can activate the speed-limiting
feature.
1) Install Speed control option onto the trucks
2) Set the new speed limit using the MotoView
Service tool, if required.
HOW TO INSTALL SPEED LIMIT OPTION
1) Switch assy-pressure
2) Jumper Harness assy
3) Elbow
4) O-ring
1. Assemble the pressure switch assy onto the main
pressure port of transmission using elbow and o-
ring like [Figure 1].
2. Assemble the harness assy between the pressure
switch and engine wiring harness.
[Figure 1] Speed control option
How To Set New Speed Limit
Default Engine Maximum Speed
Once speed control option is assembled, the default
engine maximum speed is as followed;
Engine max.
speed (rpm)
Forklift
Model
Engine
Model
Neutral In-Gear
G(C)15/18S-5
G(C)20SC-5
G420F(E) 2,450 2,000
G(C)20/25/30E-5
G420F(E) 2,600 2,000
G(C)20/25/30/33P-5
G35C-5
G424F(E) 2,600 2,000
G(C)35/40/45S-5
G(C)50/55C-5
G50/60/70S-5
G643(E) 2,500 2,000
Note :
Neutral: The inching pedal is pressed by a driver.
In-Gear: The inching pedal is NOT pressed by a
driver.