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GENERAL

The Spring Assist Kit is used to retrofit the hitch used to
install the 42”

and 46” Snow Plow/Dozer Blade on

several different models (series) of tractors. For easier
understanding of this instruction sheet, 

 identify the

size of blade (42” 

 46”) and group of tractor on which

you are working. Follow these specifications throughout
the ten steps.

Tractors:

Group 1: 
Group 2: 
Group 3: 
Group 4: 900, 7100

Snow Plow/Dozer 

Blade:

42” 

 Mfg. No. 1690085 (Group 1, 2 tractors)

42” 

 Mfg. No. 1691520 (Group 3, 4 tractors)

46” 

 Mfg. No. 1~690088 (Group 3, 4 tractors)

IT 

PARTS

Mounting location for 42” blade on Group 2 tractors

Use 0, 1, 2 or 4 links

Mounting location for 42” Group 1, 3 and 4 tractors

Mounting location for

46” blade on Group 3 

 4 tractors

   

 

Ref. Description

 Part Number

A.

NUT, Hex Lock, 

1

1923362

WASHER, Plain, 

2 1919381

C.

1

1921977

D.

CHAIN, 

1

1669241

E.

SPRING

1

1675232

INSTALLATION

INSTRUCTIONS

SPRING ASSIST KIT

MFG. NO. 1685336

INSTALLATION

1. Park tractor on a flat, level surface. Shut off engine,

remove key and apply parking brake.

2. Release lift handle so that dozer blade rests on the

ground.

3. Remove spring clip from king pin (A, figure 2).

Remove king pin and pivot pin (B) from push bar.
Slide dozer blade forward and 

 from push

bar.

4. Remove cotter pin 

 from rod guide(D). Remove

rod guide from hitch bracket 

 Push bar should

now be free to 

 up and down.

Figure 2. Dozer Blade Removal
A. King Pin

B. Pivot

C. Cotter Pin

D. Rod Guide

E. Hitch Bracket

5. Drill a hole in the bottom cross member (42” blade

on Group 1, 3 and 4 Series tractors) or
upper cross member (42” blade on Group 2 tractors)
according to the diagrams of the templates in 
3. Actual templates are on a separate insert included
with these instructions.

For 46” blades on Group 3 and 4 tractors, drill a 
hole in the (top) front plate. Hole should be located

 left of centerline and 

 of the plate

rear edge. (Refer to figures 7E 

   1701916

1

 IN U.S.A.

878

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