MTD 197-987A User Manual

OWNER’S MANUAL
TEN CENTS
ASSEMBLY OPERATION
MAINTENANCE PARTS LIST

Important:

Instructions Carefully
197-987A
197-989A
40” TILLER
ATTACHMENT
PRINTED IN U.S.A.
FORM NO. 770-7179
Your new tiller attachment comes unassembled from the factory. You will need two adjustable wrenches and one hammer to complete the assembly of your tiller.
LIST OF CONTENTS IN HARDWARE PACK.
(See figure 1)
A (4) Hex Screws 5/8-11 x 1-1/2" long
B (6) Lockwashers for 5/8" screw
C (4) Hex Screws 1/2-13 x 1-1/4" long
D (4) Lockwashers for 1/2" screw
E (4) Spring pins 3/8" Dia. x 2" long
F (3) Hair pin cotters for 5/8" Dia.
G (2) Link Clevis Pins
H (2) Hex Lock Nuts 5/8-18 Thread I (1) Clevis Pin 5/8" Dia. x 2" long
J (4) Hex Screws 5/16-24 x 3/4" long
K (4) Lockwashers for 5/16" screw
L (4) Hex Nuts 5/16-24 Thread
M (2) Hair Pin Cotters for 3/8" Dia.
N (2) Clevis Pins 3/8" Dia. x 1-1/4" long
O (1) Spring Pin 5/16" Dia. x 1-3/4" long
P (1) Square Head Pipe Plug-Vented
Q (10) Carriage Bolts 5/16-18 x 1" long
R (10) Lockwashers for 5/16" Screw
S (10) Hex Nuts 5/16-18 Thread
REPLACE WITH VENTED PIPE PLUG (P)
_ADJUStABLE
WRENCH
FIGURE 2
3. With an adjustable wrench remove the pipe plug and replace with vented pipe plug (P) provided in hardware parts pack. See figure 2.
4. Assemble the right and left hand tine assemblies to gear box, with four spring pins (E). A hammer is required. See note below before continuing.
■I
' I
IB
FIGURE 1

ASSEMBLY INSTRUCTIONS

1. Remove the tiller, all loose parts and hardware parts pack from the carton before discarding the carton.
NOTE
Right and left hand is determined from behind the gear box. The sharp edge of the tines must enter the soil first. See figures 3 and 4.
2. Place the gear box so that the pipe plug is up, as
shown in figure 2.
FIGURES
FIGURE 4
FIGURE 6
5. Install tiller pivot bracket assemblies. An adjust
able wrench is required. Place pivot bracket in position on gear box as shown in figure 5. Secure with four hex screws (A) and lockwashers (B). See figure 5.
Install cover bracket assembly to gear box (as
shown in figure 7) using four hex screws 1/2-13 x
1-1/4" (C) and 1/2" lockwashers (D). An adjust
able wrench is required.
NOTE
All hex screws should be hand tight ened. When _aiL screws are in place, then tighten with adjustable wrench.
FIGURES
Insert link clevis pins (G) through outside holes
j.
of pivot bracket assemblies. Using two adjustable wrenches, tighten link clevis pins in place with
lockwashers 5/8" (B) and hex center lock nuts
5/8-18 (H). See figure 6.
FIGURE 7
8. Place tiller cover assembly in position on the tiller cover bracket as shown in figure 8. Using six 1" carriage bolts (Q), six 5/16" lockwashers (R) and six 5/16-18 hex nuts (S) start by hand. Do Not
Tighten. a. Place two of the carriage bolts in the top
center of the cover first. See figure 8.
b. Place the next two carriage bolts in the rear
of the cover as shown in figure 8.
c. Place two more carriage bolts in the front of
the cover as shown in figure 8.
d. Do not tighten any of the six bolts in step 8
until step 9 is completed.
CAHhl
-SECOND
10. Using an adjustable wrench, tighten ail ten
carriage bolts used in steps 8 and 9.
11. Block up the front of the tiller so that the input shaft is clear of the ground. Place the universal drive shaft in position on input shaft of gear box and secure with spring pin (0). See figure 10. A hammer is required.
9. Using the four remaining carriage bolts (Q), lockwashers (R) and hex nuts (S), assemble tiller
cover straps to cover bracket and cover. See figure
9.
FIGURE 10.
ATTACHING TILLER TO
TRACTOR
1. Before attaching the rotary tiller to the tractor, be sure the rear wheels on the tractor are all the way into the minimum rear wheel width. Refer to your tractor manual.
2. Raise the undercarriage on the tractor, by pulling
the lift lever back.
FIGURE 9.
3. Remove the locking clip on each side of the
tractor. See figure 11.
4. Turn locking clips around and reassemble to tractor as shown in figure 12. Be sure the locking
4 clip is under edge of undercarriage.
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