JLG G12-55A Service Manual - Manual (Page 106)

Engine
7-2 G10-55A, G12-55A
7.1 INTRODUCTION
7.1.1 Disclaimer and Scope
These instructions are written for worldwide use. In
territories where legal requirements govern engine smoke
emission, noise, safety factors, etc., apply all instructions,
data and dimensions provided herein in such a way that
after maintenance, service and repair of the engine,
engine operation does not violate local regulations.
Note: Detailed engine service instructions (covering
disassembly, inspection, internal repair, assembly,
adjustment and troubleshooting information) are
provided in appropriate engine service manual.
A gradual running-in (break-in) of a new engine is not
necessary. Full load can be applied to a new engine as
soon as the engine is put into service and the coolant
temperature is at least 140° F (60° C). Extended light-
load operation during the early life of the engine is not
recommended. DO NOT run the engine at high, no-load
speeds. DO NOT apply an overload to the engine.
7.1.2 Engine Serial Number
The serial number is stamped on top of engine.
Information contained in serial number is required in
correspondence with engine manufacturer.
7.1.3 Specifications and Maintenance
Information
Note: Refer to Section 9.12, “SAE Diagnostic Trouble
and Fault Codes,” for error codes and troubleshooting.
For engine, coolant and oil specifications, and
maintenance information, refer to Section 2, “General
Information and Specifications.”