Poulan Pro 420408, Operator'S Manual

12

OPERATION

TO ADJUST MOWER CUT TING HEIGHT  

(See Fig. 10)

The po si tion of the at tach ment lift le ver (A) de ter mines the 

cut ting height.

•  Put attachment lift lever in desired cutting height slot.
The cutting  height  range is  ap prox i mate ly 1" to  4".  The 

heights are measured from the ground to the blade tip with 

the engine not running.  These heights are approximate 

and may vary depending upon soil conditions, height of 

grass and types of grass being mowed.
•  The average lawn should be cut to approximately 

2-1/2" during the cool season and to over 3" during hot 

months.  For healthier and better looking lawns, mow 

often and after moderate growth.

•  For best cutting performance, grass over 6" in height 

should be mowed twice.  Make the first cut relatively 

high; the second to de sired height.

FIG. 10

FIG. 11

REVERSE OPERATION SYSTEM (ROS)

Your tractor is equipped with a Reverse Operation System 

(ROS). Any attempt by the operator to travel in the reverse 

direction with the attachment clutch engaged will shut off 

the engine unless ignition key is placed in the ROS "ON" 

position.

A

TO ADJUST GAUGE WHEELS (See Fig. 11)

Gauge wheels  are prop er ly ad just ed when they are slight ly 

off the ground when mower is at the desired cutting height 

in operating position. Gauge wheels then keep the deck 

in proper position to help prevent scalping in most terrain 

conditions. 

NOTE:

 Adjust gauge wheels with tractor on a flat level 

surface.
•  Adjust mower to desired cutting height (See “TO AD-

 JUST MOWER CUT TING HEIGHT” in this sec tion of 

manual).

•  With mower in desired height of cut po si tion, gauge 

wheels should be assembled so they are slightly off 

the ground. In stall gauge wheel in ap pro pri ate hole. 

Tighten se cure ly.

•  Repeat for all, installing gauge wheel in same adjust-

ment hole.

TO OPERATE MOWER

Your tractor is equipped with an operator presence sensing 

switch.  Any attempt by the operator to leave the seat with 

the engine running and the attachment clutch engaged will 

shut off the engine. You must remain fully and centrally 

positioned in the seat to prevent the engine from hesitat-

ing or cutting off when operating your equipment on rough, 

rolling terrain or hills.
•  Select desired height of cut with attachment lift lever.
•  Start mower blades by engaging at tach ment clutch 

control.

FIG. 12

CAUTION:  Do not operate the mower 

without either the en tire grass catcher, on 

mowers so equipped, or the deflector shield 

(S) in place (See Fig. 12).

TO STOP MOWER BLADES - 

Disengage at tach ment clutch con trol.

S