Filter
Top Products
NATIONAL IM25 Infield Mower
®
3
Specifications
Engine: 3.5 hp Briggs & Stratton I/C 4 cycle
w/gear reduction of 6:1
Width of cut: 25
Height of cut: 1/2 to 2
Weight: 270 lbs. without fuel
Dimensions: 65" length w/basket x 32" width x
39-1/2" height
Gas tank : 4 quart capacity
Fuel: Unleaded regular gasoline
Safety Precautions
· Allow only responsible persons that are familiar
with the controls to operate this equipment.
· Always operate with all guards and front-throw
basket in place.
· Never attempt to remove or replace the basket
when reel is engaged.
· Inspect rollers, reel and drive for debris or foreign
object and remove before starting to mow.
· Follow engine manufacturers recommendations
for proper gas, oil and maintenance procedures.
· Be alert when mowing for objects in the mowing
path.
· Never attempt to adjust cables or cutting height
when engine is running.
· Use protective eyewear when mowing.
· Use extreme caution when handling gasoline, it
is highly flammable.
Introduction
This machine has been designed with professional
quality components to specifically mow baseball infield
turf. Other uses include golf courses and turf
contractors. National welcomes your comments.
Additional information will gladly be furnished by
calling, writing or e-mailing the company. Please furnish
us with the model number, serial number and date of
purchase when contacting us about your machine.
Designations of right, left, front and rear are used
in the position of the operator when mowing.
Assembly Instructions
Carefully inspect your machine and crate for damage
that could have occurred during shipment. If damages or
shortages are noted, have the transportation company
representative indicate this on the bill of lading. Claims
for shipping damages must be noted by the consignee
at the point of designation and filed with the
transportation company.
1. Carefully uncrate the machine.
2. Attach the lower Handle Bar Assembly (1, Fig. B)
to the Handle Bar Brackets (2, Fig. A) with pivot
pins, flat washers and cotter pins from the loose
parts bag.
3. Insert Handle Adjustment Rods (3 , Fig. A) into
Lower Handle Bar Assembly and Adjustment
Brackets (4, Fig. A) on countershaft assembly and
secure with flat washers and cotter pins from the
loose parts bag. Use the front holes in the
adjustment brackets for the highest handle position
and the rear holes for the lowest position.
4. Pivot Upper Handle Bar Assembly (5, Fig. A & B) to
align with holes in the lower handle bar assembly
and fasten with four 5/16"24 x 1-1/2" cap screws
and hex nuts.
5. Hook Brake Rod Spring (6, Fig. B) to attaching tab
on the mower top plate.
6. Set attachment pins of Grass Basket (7, Fig. A) in
grooves of Basket Brackets (8, Fig. A).
Initial Starting Procedure
1. Engine crankcase oil has been installed at the
factory. However, it is recommended that the
engine be inspected for presence of oil at the proper
level (see engine manual) before starting.
2. Fill engine gas tank with unleaded regular gasoline.
3. Engage Parking Brake (9, Fig. A) by pulling lever
backand over center to lock.
Starting Instructions
1. Turn the red Fuel Valve (10, Fig. A), located on the
right side of the engine, 1/4 turn clockwise to
switch fuel supply to "On".
2. Press Ignition Switch (11, Fig. B), located on the
front of the engine to the "On" position.
3. Slide Choke (12, Fig. A) which is the white lever at
the back of the engine, to the right or "On" position.
4. Set Throttle Control (13, Fig. A) half way between
fast (full forward) and slow (full back).
5. Pull Rope Start Handle (14, Fig. A) sharply and
start engine.
Do not pull back Drive Bail Handle (15, Fig.
A) or move Clutch Handle (16, Fig. A)
forward when starting engine.
6. Move choke lever left to the "Off" position as soon
as the engine starts.