Textron Jacobsen 3500 Owner'S Manual And Service Manual Download

Page: 37 / 56

GASOLINE UTILITY VEHICLES

Page 19

Owner’s Manual and Service Guide

Read all of manual to become thoroughly familiar with this vehicle. Pay particular attention to all Notes, Cautions and Warnings

AIR INTAKE AND COOLING FINS

To prevent possible burns,
engine parts should be kept
clean to reduce risk of over-

heating and ignition of accumulated debris.

Every 20 hours, check for a build up of debris in the air
intake and cooling fins. Blow or brush out debris from
these areas (Ref Fig. 37 on page 19).

SPARK PLUGS

Tool List

Qty. Required

Spark plug wrench, 13/16" .......................................... 1

Plug gauge, wire type ................................................. 1

Using a 13/16" spark plug wrench, remove the spark
plugs at 250-300 hours or annually and inspect. Clean
and gap to .028-.030" (.71-.76 mm). If a plug has been
burned beyond .035" (.89 mm), it should be replaced
(Ref Fig. 38 on page 19).

Fouled spark plugs are indicated by a wet, black appear-
ance. This could be caused by a dirty air filter element or
other restrictions in the air intake system. Incorrectly
adjusted valves, spark plug wires which are in poor con-
dition or poor quality fuel could also contribute to the
problem. All new spark plugs should be properly gapped
to .028-.030" (.71-.76 mm) (NGK P/N BPR5ES).

Tighten to 18 ft. lbs. (25 Nm) torque.

Use care not to overtighten the plug. Over-
tightening can cause damage to the alumi-

num cylinder head threads.

DAILY BRAKE TEST

After the vehicle has been put into service, it is recom-
mended that the brakes be checked daily by performing
the following test:

To prevent severe injury or
death resulting from operat-
ing a vehicle with improper-

ly operating brake system, the braking system must
be properly maintained. All driving brake tests must
be done in a safe location with regard for the safety of
all personnel.

Determine the braking performance of the vehicle by
latching the parking brake at a common point on a flat,
dry, clean paved surface while traveling at maximum
speed. Observe the vehicle stopping location. If the vehi-
cle stops in a significantly greater distance than normal
or pulls to one side, it should be tested again. If the vehi-
cle fails the second test, it should immediately be
removed from service. The vehicle needs to be inspected
by a qualified mechanic.

TIRES

Standard tires for this vehicle are uni-directional
and should never be moved from one side of

vehicle to the other.

This vehicle comes standard with uni-directional tires.
Left side tires should always remain on the left side of the
vehicle. Right side tires should always remain on the
right side of the vehicle. Uni-directional tires have an
arrow on the sidewall indicating direction of rotation when
moving forward. Tire condition should be inspected and
inflation pressures checked per the Periodic Service

Fig. 37 Cleaning Air Intake and Cooling Fins

Air Intake

Cooling Fins

Fig. 38 Gap Spark Plugs

.028" - .030"

(.71 - .76 mm)

Gap

Spark Plug