Troy-Bilt 630C - Tuffy, 634F - Bronco, 634A - Super Bronco, 630C--Tuffy, 634F--Bronco SECTION 2: ASSEMBLY

WARNING: To prevent

personal injury or property

damage, do not start the engine

until all assembly steps are

complete and you have read

and understand the safety and

operating instructions in this

manual.

INTRODUCTION

Carefully follow these assembly steps to

correctly prepare your tiller for use. It is

INSPECT UNIT

Inspect the unit and carton for damage im-

mediately after delivery. Contact the carri-

er (trucking company) if you find or

suspect damage. Inform them of the dam-

age and request instructions for filing a

claim. To protect your rights, put your

claim in writing and mail a copy to the car-

rier within 15 days after the unit has been

delivered. Contact Troy-Bilt LLC if you

need assistance in this matter.

TOOLS / MATERIALS NEEDED

(2) 1/2” open-end wrench*

(2) 9/16" open-end wrench*

(1) 3/8" open-end wrench*

(1) Large adjustable wrench

(Models 634F/634A only)

(1) Scissors (to trim plastic ties)

(1) Ruler (for belt tension check)

(1) Block of wood (to support tiller when

removing wheels)

(1) Tire pressure gauge (for models with

pneumatic tires)

(1) Clean oil funnel

(1) Motor oil. Refer to the Engine Owner’s

Manual for oil specifications and

quantity required.

* Adjustable wrenches may be used.

ASSEMBLY STEPS

STEP 1: UNPACKING INSTRUCTIONS

NOTE: While unpacking, do not severely

bend any control cables.

1. The tiller weighs approximately 133 lbs.

Do not attempt to remove it from the ship-

ping platform until instructed to do so in

these Assembly steps.

2. Remove any packaging material from

the carton. Remove any staples from the

bottom of the carton and remove the car-

ton from the shipping platform.

3. Remove all unassembled parts and the

separate hardware bag from the carton.

Check that you have the items listed in the

Loose Parts List (contact your local dealer

or the factory items are missing or dam-

aged).

NOTE: Use the screw length template

(Fig. 2-1) to identify screws.

Loose Parts List

Qty. Description

1Handlebar Support (see A, Fig. 2-2)

1Handlebar Assembly (see K, Fig. 2-2)

Hardware bag contents:

4Hex hd. screw, 5/16-18 x 1-1/2"

2Hex hd. screw, 3/8-16 x 3/4"

2Flat Washer, 3/8"

4Split lockwasher, 5/16"

4Hex nut, 5/16"-18

2Hex locknut, 3⁄8"-16

*Model 634F & 634A only

IMPORTANT:

Motor oil must be added to

the engine crankcase before the engine is

started. Follow the instructions in this

Section and in the separate Engine

Owner’s Manual.

NOTE: LEFT and RIGHT sides of the tiller

are as viewed from the operator’s position

behind the handlebars.

STEP 2: ATTACH HANDLEBAR

1. Loosely attach the legs of the handlebar

support (A, Fig. 2-2) to the inner sides of

the tiller frame using two 3/8"-16 x 3/4" hex

hd. screws (B), 3/8" flat washers (C), and

3/8"-16 hex locknuts (D).

2. Using two 5/16"-18 x 1-1/2" screws (G),

5/16" split lockwashers (H) and 5/16"-18

hex nuts (I), loosely attach the handlebar

support (A) using the upper holes. Tighten

the two screws securely.

3. There are three height adjustment holes

in the two handlebar support brackets (E

and F, Fig. 2-2). Use a setting that will po-

sition the handlebars at approximately

waist level when the tines are 3"-4" into the

soil. Loosely attach the support brackets

to the outside of the handlebar assembly

(K) using two 5/16"-18 x 1-1/2” screws

(G), 5/16" split lockwashers (H) and 5/16"-

18 hex nuts (I). NOTE: If a support bracket

will not move, loosen attaching screw (J)

and nut.

IMPORTANT:

The support brackets must

be assembled to the outside of the

handlebar assembly.

4. Tighten all handlebar mounting hard-

ware securely.

STEP 3: MOVE TILLER OFF CRATE

To roll the tiller off the shipping platform,

put the wheels in freewheel, as follows:

1. Place a sturdy block under the transmis-

sion to raise one wheel about 1" off the

ground.

2. Remove the hairpin cotter (L, Fig. 2-3)

and wheel drive pin (M) from the wheel

hub (O) and wheel shaft (N).

Figure 2-1: To identify length of screws, place

screw on template as shown and measure dis-

tance between bottom of screw head and tip of

screw.

SECTION 2: ASSEMBLY