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VM Gen Man.pdf


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DUST, DIRT, RAIN AND SNOW

SPARK ARRESTER REQUIREMENTS

Operating the generator set in extreme dusty or dirty conditions will
seriously affect the life of the engine.
Keep the unit clean and do not allow snow, rain, dust or dirt to
accumulate on the unit. Remove all oil deposits and accumulated dirt.
When operating the unit, protect it from the elements. Do not use this
product in rain, snow or wet locations.

Some generator sets have either internal or external spark arresters.
Some units are not equipped with spark arresters.

FIGURE 1

11HP
16HP TWIN
18HP TWIN

If the generator set is used in a National Park,
any forest covered land, grass covered land, or
the state of California, a spark arrester MUST be
installed and in working order to comply with California Section 4442
and 4443. A USDA Forestry Department approved spark arrester kit is
offered as optional by the engine manufacturer. When installed, the
spark arrester must be firmly attached to the muffler and the screen
must be kept clean and unplugged for proper operation. Contact your
local engine manufacturer’s distributor for more information. Engine
company distributors are listed in the yellow pages under engines
gasoline or gasoline engines. Even with the spark arrester installed,
extreme care must still be used if the engine is operated in an area of
dry forest covered brush or dry grass, which could catch fire from the
engine heat or an accidental spark.

! WARNING

20HP TWIN
23HP TWIN
31HP TWIN

Avoid touching hot engine parts and rotating or
parts of the unit. All fan guards and
! WARNING moving
protective covers must be kept in place. Loose
jackets, neckties, shirtsleeve etc should not be worn while starting or
operating this generator because of the danger of being caught in
moving parts. Hot engine parts and mufflers/manifolds can cause
severe burns.
5HP

! DANGER

OIL DRAIN
PLUG

All generator sets must be externally grounded.
All generator sets are grounded internally to an
external ground on the frame. OSHA, the National Electrical Code and
most state and local codes require an additional external ground rod
pounded into the soil and securely connected to the external ground on
the generator set. Only three or four prong plugs must be used with
each receptacle on the unit. Use only 3 prong extension cords. It is
recommended to use #10 copper stranded wire from the generator to
the external ground rod. The ground rod and wire are not provided
with the generator set.

OIL
LEVEL

5HP

8,11 &13HP
OIL DRAIN PLUG

OIL LEVEL

GENERAL OPERATION
MANUAL RECOIL START MODELS

OIL DRAIN, OIL FILL

1.
2.

OIL FILTER
(OPTIONAL)

16HP, 18HP, 20HP
23HP, 25HP, 31HP

With the choke engaged, grasp the starter and pull out the
cord rapidly.
Repeat if necessary with the choke slightly opened. Do not
pull the recoil starter out too far or let is snap back or
damage to the recoil starter may occur. When the engine
starts, close the choke.

ELECTRIC START MODELS
On all gasoline engines, engage the choke and turn the key until the
engine starts. Close the choke once the engine starts. Diesel powered
and LP/NG units do not have chokes. Do not keep cranking the
engine for more than 15 seconds at a time if the engine does not start.
All electric start models have a charging circuit for the battery.

OIL DRAIN
PLUG

BATTERY

WET CONDITIONS

The customer must supply the starting battery. Battery cables and a
battery tray are installed on the generator set. All batteries must be 12
volts DC. For all gasoline models through and including LR150’s a
type U1 300 cold cranking amps battery is required (5.0” max width).
For the model series LR180 and all diesel models a type 24BCI, 26BCI
or 34/78 12 volt DC battery of at least 400 or more cold cranking amps
is required (6 7/8” max width).

Use extreme care to avoid a lethal shock hazard
if this unit is operating outdoors during periods of
visible moisture (rain or snow) or near standing
water. Service the air cleaner at least every 25 to 30 hours if operating
in extremely dusty or dirty conditions. Change the oil in the crankcase
at least every 50 hours of operations (see engine manual for more
details).

! DANGER

! DANGER

UNIT GROUNDING

MUFFLER

! WARNING

The muffler on this generator is only designed
for outdoor portable applications.
Do not
operate indoors under any conditions. Never operate a generator set
with a worn or defective muffler or exhaust manifold. A defective
muffler and manifold must be replaced. Never operate the generator
set without a muffler. Do not touch the muffler when hot or severe
burns will occur. Do not extend exhaust lines or use other than the
engine manufacturers recommended muffler.

Page 4

Use extreme care not to tilt the generator set
with the battery installed. Tipping could cause
severe eye damage and skin burns.