National-mower IM25 User Manual download pdf (Page 2)

NATIONAL IM25 Infield Mower

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.

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National-mower IM25 User Manual Page 2

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