Wheel Horse 5-1421 User manual

DESCRIPTION
This mower is designed to fit on 1056, 1046, 1076,
1276, 1057, 1257, 1077, 1277, 1067, 1267, Charger
and Raider tractors.
The 8-3111 or PT-6 Power Take-Off unit is used on
all the models listed above except the model 1046.
On this model a PT-7 is used.
915663-4
NUT -3/8-16 ELASTIC STOP
6739
LIFT STUD
933512-4
HAIRPIN conER
908034-4
BOLT HEX 3,8-16 x
6727 5188
SHOULDER BOLT
ASS'Y CAM ARM
6710
ASS'Y_ LATCH &
SHAFT
6713
MOUNTING PLATE
SUPPORT STUD
ASSEMBLY
ASS'Y. PIVOT ARM
Fig.
To identify the loose parts, refer to Fig. I. Install
the wheels to the mower. Note that the side of the
ROTARY MOWER
MODEL
5-1421
wheel with the long hub extension goes against the
gage wheel support. Secure in place with the shoul-
der bolts and the two %-16 jam nuts, see Fig. II.
Slide the pivot arm assembly on to the shaft of the
mower support as in Fig. II and secure in place with
4736 "E" ring. Remove the cam arm assembly 6727
from the pivot arm for future assembly. Attach the
lift rod 6699 to the mower support. It should be put
through from the right side of the lift rod plate as
shown in Fig. VII. Hold in place with the hairpin
cotter, Part No. 933504-4. Slide the lift stud 6739 on
the lift rod and thread on a %-16 elastic stop nut as
shown in Fig. VII.
Fig. II

Mount the right hand mounting plate assembly to
the tractor frame. Align the 3rd and 5th hole on the
tractor frame with the two holes in the plate as
shown in Fig. III. A %-16 x 1" bolt is used in the
front hole and the mounting plate support stud is
used in the rear. Before mounting the left hand plate,
4497 the latch and shaft assembly 6710 must be posi-
tioned in between the R.H. and L.H. plates, with the
notches facing the rear of the tractor, as shown in
Figs.
III and VII.
Fig. III
Mount the cam roller bushing 6714 to the mounting
plate support stud, see Fig. IV. The bushing is held in
place with the MW-4564 "E" ring. Remove the tractor
foot rest and slide on the cam arm assembly as shown
in Fig. IV.
Fig. IV
Turn the tractor wheels all the way to the left. With
the mower wheels in the lowest cut position, slide the
mower under the tractor. Raise the wheels to the
highest cut position. Attach lift stud 6739 in the end
hole of the tractor lift lever. Note the stud is inserted
from the left side, see Fig. VII. Raise the mower with
the lift lever until the cross shaft of the mower sup-
port fits into the mounting plate slots. Lock in place
with the latch. To keep the latch in place, insert the
hairpin cotter, Part No. 933512-4 in the front hole
of the left hand mounting plate. Slide the shaft of
the cam arm assembly 6727 through the hole in the
pivot arm and fasten the hairpin cotter. The cam
plate should ride in the cam roller bushing as shown
in Fig. V.
fig. V
Thread the belt on the pulley as shown on the belt
decal located on cutter housing. (See Fig. V and
Fig. VI.)
Fig. VI
ADJUSTMENTS
To adjust the belt tension loosen the bolt on the
side of the cam plate and thread the belt tension nut
in or out, see Fig. V.
To adjust the cutting height raise the mower with
the tractor lift lever to release the weight from wheels.
Lift the height control rod and rotate to the notch
desired.
Thread the nut down on the lift rod until the
mower support is locked against the frame in the up
position.
OPERATION
To start the mower push the clutch arm to the left,
this engages the dutch. To stop mower move the clutch
arm to the right, this disengages the clutch.
CUTTING GRASS
For best cutting the tractor should operate at full
throttle and approximately 3~ M.P.H. In extremely
//

heavy cutting it may be necessary to slow to 1}1
M,P,H, When mowing extra tall grass, raise the mower
to the travel position and cut" Then recut at normal
position. Donlt cut grass too short. The recommended
height is 2 to 3 inches"
MAINTENANCE
For best results, it is recommended that the mower
be removed from tractor for blade maintenance,
When blades become dull, remove and regrind"
CAUTION: Sharpen evenly on both ends to maintain
blade balance, Inspect blades frequently (especially
after hitting an object) tighten blade mounting bolt
if necessary" Each blade spindle has a grease fit-
ting visible through a hole in the tap of the deck.,
Apply grease to the fitting till the grease comes out
at the blade cup" The unit should be greased every
50 hours of use. A regular lubricating pressure gun
can be used"
MOWER REMOVAL
To remove the mower from the tractor pull the hair-
pin coller from the lift stud and drop the lift rod" Re-
move the belt from the Power Take-Off" Pull the hair-
pin cotter from the left hand mounting plate and pull
up on the latch to drop the mower support. Turn the
tractor wheels to the left and pull the mower from
under the tractor" NOTE: The hairpin cotter should be
inserted through the rear hole in the LH" Mtg, plate to
hold the latch up when the tractor is being operated
without the mower,
SAFETY TIPS
FOR RIDING LAWN MOWERS, GARDEN TRACTORS AND ATTACHMENTS
Know the controls and how to stop quickly _.
READ THE OWNERS' MANUAL
2 Do not allow children to operate machine; nor
adults to operate it without proper Instruction,
3
Clear work area of objects which might be picked
up and thrown,
4 Disengage all clutches and shift into neutral
before starting motor, Keep hands, feet and
clothing away from power-driven parts
5 Do NOT carry passengers" Keep children and
pets a safe distance away"
6 Never direct discharge of any material toward
bystanders nor allow anyone near machine while
in operation
7, Disengage power ta any attachment and stop
motor before leaving operation position
8
Take precautions when leaving machine un-
attended (fo avoid accidental starting, rolling
away, accidental dropping of any attachment,
etc,.)
9 Disengage power to any attachment whenever it
is not in use or when traveling from one work
area to another.
10 Stay a!ert for holes and other hidden hazards
11, Know what is behind you before backing up"
12. Beware of steep slopes; reduce speed on all side
slopes and sharp turns to prevent tipping or
losing control,
13" Don't stop or start suddenly when going uphill
or downhill
14, Use extra care when pulling loads or using heavy
equipment" (Refer to your owner's manual)
15 Watch aut for traffic when near roadways
16 Handle gasoline with care -. it is highly flam-
mable,
A, Use approved gasoline container"
B, Never add gasoline to a running motor .-
fill tank aut of doors and wipe up spilled
gasoline.
C. Rep/ace gasoline cap securely,
D" Open doors if motor is run in garage -
exhaust gases are dangerous
17" Keep machine in goad operating condition and
keep safety devices in place, Use guards as
instructed in owner's manual
18, Disengage power to any attachment and stop
motor before making repairs or adjustments
/II

13
60
16
91
Iy
19
20
Fig. VII

MOWER PARTS LIST
When orctBrtng pl=lrts alway,s lilt Pc;ut No, and name of Part
Ref, Part
No. No. Description
~+~~-+_--2- ________________ _
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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
4.5
46
47
48
49
6690
4299
Ass'y. Deck 42" Mower
Housing - Spindle
1508 Bearing - Needle
1303 Seal -Oil
4566 Fitting - Grease
900063 .. ,4 Bolt - Carriage % .. 16 ..
915663··4
Nut .- Elastic Stop % .. 16
5875 Shoft - Spindle
5951
1515
936029
6692
5877
2844
908033 .. 6
3716
WCl$her - Special·· .. Do"ble "D"
Bearing -, Ball
Snap Ring 1% Bore
Pulley -Middle DriYB
Pulley -Right & left
Wosher -Special
Bolt .- Hex Nylok % .. 16 " Ya
Cup - Spindle
933211 Roll Pin >i x %
6693 Blade 14"
1336 Washer -Dome
908033··5 Bolt .- Hex Nylok % .. 16 ~ %
52.40 Ass'y, Roller
5241 Shaft _. Roller
932017.4 Pin - Cofter Ys x I
6694
6699
933504··4
6739
6702
6703
900062 .. 4
2138
908035 .. ,4
920009 .. ,4
6705
915112··4
6701
Ass'y
Support -- Mower
Rod <- Lift
Hairpin Cotter
Stud -Lift
Bracket -Deck R H
Bracket -Deck LH
80lt Corriage % .. 16 x %
Spacer
Bolt -Hex %.·16 x 1~
Washer % SAE
Leveler
Nut -Hex Plain K6,,18
Quodrant
900062-4 Bolt - Corrioge % ·l6 ~ %
6706 Ass'y Gage Wheel Support
5701 "E" .. Ring Y2" Shaft
4480 Wheel 6 x 1 75
5188 Bolt - Shoulder
915236-4 Nut - Jam %-16
933188 Roll Pin 3(6 Dia xl"
920011 .. 4
6710
933512 .. 4
6704
6712
4497
Washer Y2 SAE
Ass'y
latch & Shaft
Hairpin Cotter
Pin
Plate R H Mounting
Plate LH Mounting
_-L __ ----L ______________ _
5 .. 1··67 FORM NO 382
No.
Req'd.
3
3
3
3
12
24
3
3
3
3
2
3
3
3
6
3
3
3
3
1
2
3
1
4
2
2
2
2
4
2
2
2
2
2
Ref
No_
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
7.5
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
Part
No_
908034 .. 4
6713
Description
Bolt Hex %-16 x 1
Support - Mounting Plate
6714 Bushing
MW,·4564 "E" Ring ra" Shaft
4974 Pulley -Idler
4567 Bearing -- Ball
936024 Snap Ring 1"% Bore
1967
Spacer
Bolt - Hex %,,16 x IX
Nut - Nylok %-16
Ass'y. Bar <- Idler Support
Pulley -Flot Idler
Block -Slide
Bolt - Carriage §{6-I8 x 1Y,1
Nut -Elastic Stop ~6~18
Washer 1i'6 SAE
Spring
Bolt -Co rriage K6,,18 x 1 Y2
No
Req'd.
3
1
2
2
2
2
3
3
5
908036-4
915113-6
6715
6719
6720
900039-4
915662-4
920008 .. 4
6651
900040-4
6748
6747
7677
6722
933505-4
6723
6724
900066-4
900064-4
920009-4
6725
4736
Slide 2
Angle
Rod - Height Control
Grip - Handle
Hairpin Cotter 2
Clip - Axle
Support ,-- Axle
Bolt - Carriage % .. 16 x 1%
Bolt - Carriage %·16 x 1!i
Washer % SAE
Arm -
Pivot
E_Ring % Shoft
MW-l0391 Spring
6726 Coyer
5924
91.5112 .. 6
6727
7068
Nut -Elastic Stop #10 .. 32
Nut - Nylok K6-·18
Ass'y Cam Arm
Ass'.y
Cam Lever
6733 Ass'y Idler Support
6736 Nut
6814 Spacer
9201.56 Lockwasher Internal % Oio
6740 Pulley - Idler
908033-4 Bolt Hex %-16 x Va
2844 Washer
920083 .. 4
6737
6738
4580
4410
4570
Lockwosher % Plain
"V" Belt
"V" Belt
Decal -Belt Instollotion
Decal -Emblem
Decal -
Caution
v
2
2
2
2
4
10
2
2
2
Printed in USA

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