3
DIMENSIONS AND FEATURES
If you don't understand any portion of this manual, contact
an authorized Generac service dealer.
Throughout this publication, DANGER, WARNING and CAU-
TION blocks are used to alert you to special instruction about
a particular operation that may be hazardous if performed incor-
rectly or carelessly. Observe them carefully.
These safety warnings cannot eliminate the hazards that
they indicate. Strict compliance with the special instructions
while performing the service plus "common sense" are major
measures to prevent accidents.
The following definitions apply to DANGER, WARNING, CAU-
TION and NOTE blocks found throughout the manual.
DANGER: After this heading you can read han-
dling, installing, operating or servicing instructions
that, if not strictly complied with, will result in per-
sonal injury.
WARNING: After this heading you can read handling,
installing, operating or servicing instructions that,
if not strictly complied with, may result in personal
injury.
CAUTION: After this heading you can read instruc-
tions for handing, installing, operating or servicing
the engine that, if not strictly complied with, may
result in damage to equipment and/or property.
NOTE: After this heading you can read explanatory
statements that require special emphasis.
In addition to the DANGER, WARNING, CAUTION and NOTE
blocks, the following blocks indicate specifications or capaci-
ties as noted.
Indicates a fluid capacity.
Indicates a measurement.
Indicates a torque specification.
Indicates a load specification.
SMALL FRAME ENGINES
ENGINE MODEL DESCRIPTION
GN190H 60 Hz “XL” style, tapered shaft
GN190H Keyed 3/4” unthreaded straight shaft
GN190RV Vertical tapered shaft
GN191H 60 Hz “XE” or “XL” style, no oil filter
GN191H 3/4” straight shaft (SAE J609a)
GN191H 3/4” keyed straight shaft
GN191RV Vertical tapered shaft
GN220H Horizontal tapered shaft
GN220H 3/4” straight shaft
GN220H 1” straight shaft
GN220H 3/4” keyed straight shaft
GN220H 5/8” threaded straight shaft
GN220RV No governor parts; for use in computer controlled generators
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