G420E/G424E
Tier
LP Engine
Table of Contents
3
WARNING
Read this entire manual and all other publications pertaining to the work to be performed before installing,
operating, or servicing this equipment. Practice all plant and safety instructions and precautions. Failure to follow
instructions can cause personal injury and/or property damage.
The engine or other type of prime mover should be equipped with an over speed (over temperature, or
overpressure, where applicable) shutdown device(s), that operates totally independently of the prime mover
control device(s) to protect against runaway or damage to the engine or other type of prime mover with possible
personal injury or loss of life should the mechanical-hydraulic governor(s) or electric control(s), the actuator(s), fuel
control(s), the driving mechanism(s), the linkage(s), or the controlled device(s) fail.
CAUTION
To prevent damage to a control system that uses an alternator or battery-charging device, make sure the charging
device is turned off before disconnecting the battery from the system. Electronic controls contain static-sensitive
parts. Observe the following precautions to prevent damage to these parts.
z
Discharge body static before handling the control (with power to the control turned off, contact a grounded
surface and maintain contact while handling the control).
z
Avoid all plastic, vinyl, and Styrofoam (except antistatic versions) around printed circuit boards.
z
Do not touch the components or conductors on a printed circuit board with your hands or with conductive
devices.
IMPORTANT DEFINITIONS
WARNING
—indicates a potentially hazardous situation, which, if not avoided, could result in death or
serious injury.
CAUTION—
indicates a potentially hazardous situation, which, if not avoided, could result in damage to
equipment.
NOTE—
provides other helpful information that does not fall under the warning or caution categories.
* This manual shows just LP fuel and engine control system for TIER- LP engine, so regarding
other ares(basic engine), please refer to the separate manual of SB4008E for G420 and SB2215E for
G424.