Gravely 22531, 23075, 23076 User Manual

CLARKE-GRAVELY CORPORATION

A Studebaker-Worthington Company

~GRAVELY

e

30"

ROTARY

MOWER

DRIVE·

Model

No.

22531

DECK,

SINGLE

BLADE·

Model

No.

23075

DECK,

TWIN

BLADE-Model

No.

23076

FORM

NO.

23077

PRINTED

IN

USA

GENERAL

The

30"

Rotary

Mowerisdesigned and

builttogive

many

years

of

excellent

service.

The

mowerisre-

commened

for

rough

mowing

as

well

as

lawn

mowing;

has all gear

drive,

heavy steel

deck,

rugged

skids and single

or

twin

blades.

The

mower

attaches

to

all·Gravely Two-Wheel

Tractors.

To

attach

the

30"

Rotary

Mower

to

a Gravely

Tractor

manufactured

before serial

number

290130

an

Attachment

Adapter

Kitisrequired.

See

your

Gravely Dealer

for

further

information.

The

Owner's

Manual includes the parts

list,

set-up,

safety

operation,

and maintenance

instructions.

Use

the

parts list

for

reference

to

individual

part

numbers.

SPECI

FICATIONS

CUTTING

WIDTH:

30"

(.762

M)

LENGTH:

36112"

(.927

M)

HEIGHT:

14112"

(.368

M)

WIDTH:

32"

(.813

M)

WEIGHT:

1201bs. (54 Kg)

DRIVE:

Right

angle bevel gear in cast

iron

housing,

tapered

roller

bearings.

DECK:

Heavy

duty

stamped steel

deck.

BLADE:

(Single): Steel,

30"

(.762

M)

length,

3/8"

(9.53

mm)

thick,

hi-strength,

hi-lift.

FEATURES:

All

gear

drive,

adjustable swivel

action

USAGE:

Heavy

mowing

as

well

as

lawn

mowing

APPLICATION:

All

Gravely Two-Wheel

Tractors

TO

CONTINUE

ITS

PROGRAM

OF

QUALITY

AND

DESIGN

IMPROVEMENTS,

THE

MANUFACTURER

RESERVES

THE

RIGHT

TO

CHANGE

SPECIFICATIONS,

DESIGNS

AND

PRICES

WITHOUT

NOTICE

AND

WITHOUT

INCURRING

OBLIGATION

BrentChalmers.com

..

1:

11

11

:

~?:28

I I

I I

:

~29

I I I

: I

I

I

I

I
I

I

I

I

I

I

I

I I

I I

I

.k

~25

I 24--6

I I

i

'-23

L I

r-----------'

19l

!

20

:

21

I i

I

22

i

I

41~

i

~42

18.

17~"~

I

8

I

I

~13

A

ITEM NO.

PART

NO.

DESCRIPTION

ITEM NO.

PART

NO. DESCRIPTION

NOTE:

CIRCLE "A" PERTAINS

TO

TWIN

BLADE

MOWER,

23076,

ONLY

1

2

3

4

5

6

7

8

9

10
11
12
13
14
15
16
17
18
19
20

21

22

23
24
25

26

23074

421879

15351
21400

21399
180077
419455

22526

23073
120917
435507

22528

17313
271089
120390
180177

22520
22522

9246

9245
22525
22521
22519

125267
119120

23082

Deck,

30

In.

Mower

Washer,

Flat;

21/32x1-1/4x.100

Roller,

Gage

Weldrnent,

Bracket

Bracket,

Wheel

(L.H.)

Bolt,

Hex;

5/16-18

x

3/4

Nut,

Lock;

5/16-18

Washer

Insert

Spacer,

Cutting

Height

Skid,

Rotary

Mower

Bolt;

1/2-13x1-1/2

RDHDSQ

NK

Nut,

Lock;

1/2-13

Washer

Insert

Blade,

3/8

Rotary

Mow~r

Nut,

Lock;

7/8-9

Heavy

Thin

Key,

Woodruff;

1/8x3/8

Hard

Washer,

Flat;

9/16x1-3/8x.109

Bolt,

Hex;

1/2-13x1-1/2

Shaft,

Rotor
Seal
Cone,

Roller

Bearing

Cup,

Roller

Bearing

Ring,

Retaining;

2.000

Bore

Spacer;

1.75x1.936x1.967

Pinion,

Bevel

Nut,

Slotted;

5/8-18

Pin,

Cotter;

3/32x1-1/4

Shim,

.020

27
28
29
30
31
32

33

34
35
36

37

38
39
40
41
42
43

44

45
46

22529

271434

144044

22513
13412
22518
23082
22517
22514

22516
180191
180179

17980

22515

22524

22523

22530

22527

21396

18549

Blade,

30"

Mower

Thin

Fitting,

Lube;

1/8

Pipe

Bushing,

1/2

Reducing

Pipe

Housing,

Gear

Nut,

Lock;

5/8-18

L.T.

Gear,

Bevel

Shim,

.005

Shaft,

Drive

Casting,

Swivel

Dog,

Attachment

Bolt,

He~;

1/2-13x3-1/4

Bolt,

Hex;

1/2-13x1-3/4

Ring,

Retaining;

1.000

Shaft

Housing,

Shaft

Cup,

Bearing

Cone,

Bearing

Blade,

30"

Mower

Thin

(Cross

Slot)

Spacer,

Cutting

Height

Thin

E-Ring;

.625

Shaft

Decal,

Danger

•

BrentChalmers.com

ASSEMBLY

4.

Turn

the

mower

deck

over

for

blade

installa-

e

tion,

and

adjustment.

Fig.4

If

the

blade(s)

is

raised,

the

cutting

height

spacers removed

from

above

must

be

replaced

below

Ahe blade(s). Unless

the

desired

cutting

heightisknown,

itisrecommended

that

three

cutting

height

spacersbeused

below

the

blade(s)

This

gives

an

average

cutting

height.

Always

re-install all

the

cutting

height

spacers

either

above

or

below

the

blade(s).

The

cutting

heightisdetermined

by

the

place-

ment

of

the

cutting

height

spacers above

or

below

the

blade. Each

cutting

height

spacer

changes

the

cutting

height

by

1/

4

"

(6.35

mm).

One

cutting

height

spacer

must

ALWAYS

be

installed

below

the

blade(s).

The

twin

blade

assembly has a

1/8"

spacer and

should

be

in-

stalled above

the

blade(s).

Install

three

cutting

height

spacers

(item

8),

blade

(item

12),

the

remaining

spacers and

nut

(item

13).

Torque

nutto100

ft.

Ibs.

(135.6

Nm).

See

Fig. 5

SINGLE

BLADE

INSTALLATION

5.

6.

ROLLER BRACKET

I

Fig.2

Fig.3

GUAGE

ROLLER

\

~WASHER~

Bolt

the

gauge

roller

assembly

to

mower

deck

with

four

bolts

(item6)and

locknuts

(item

7).

See

Fig. 3

2.

1.

Assemble

the

deck

gauge

roller.

Install a

flat

washer

(item

2).

gauge

roller

(item

3).

flat

washer

(item

2) and

roller

bracket

(item5)on

the

roller

bracket

weldment

(item

4) and secure

with

OlE"

ring.

See

Fig.

2

f 3. Set

the

driveonthe

deck.

Bolt

the

drive

in place

using

the6bolts

(item

16),

flat

washers

(item

,

15),

and

nuts

(item

11).

The

bolts

must

be

in-

serted

from

under

the

deck.

See

Fig. 4

Fig.5

BrentChalmers.com