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D. Loosely attach two caster arms to the front of
the mower deck using 5/8 x 3-1/2” bolts, lockwash-
ers and hex nuts. Install reinforcement plates
between bolt heads and caster arms. Loosely attach
the remaining two caster arms to the rear of the
mower deck using 5/8 x 3-1/2” bolts, lockwashers
and hex nuts in each caster arm. Attach mast sup-
ports to the rear of the mower deck at rearholes of
caster arms using 5/8” x 4” bolts, lockwashers and
hex nuts. (Figure 5-1) Fasteners will be tightened
after caster wheels are installed.
E. Fasten mast supports and upper flex link to
mast halves using 1/2 x 5” capscrew, pivot tube and
locknut..
F. Place two long spacers on the caster stems
and insert into caster arms. Place two long spacers
and two short spacers on the caster stem above the
caster arms. This arrangement will give a cutting
height of approximately three inches. Secure with
lynch pin retainers. With weight of cutter resting on
all four wheels, ensure that cutter is level. Tighten all
bolts on mounting brackets.
G. If front roller is purchased, (ATH MODELS)
Install by securing the right and left roller mounts to
the deck in the holes provided by using 3/8 x 1-1/4”
carriage bolts, flatwashers, lockwashers and hex
nuts. Install bolts with heads to inside of deck.
(Figure 5-2) Assemble roller, roller shaft, retainer
and roll pin as shown in Figure 5-2.
If front roller is purchased, (FTH MODELS)
Install by securing the right and left roller mounts to
the deck in the holes provided by using 3/8 x 1-1/4”
carriage bolts, flatwashers, lockwashers and hex
nuts. Install bolts with heads to inside of deck.
(Figure 5-2A) Assemble roller, roller sleeve, 1/2” x 6-
1/2” capscrew, 3/4” flatwashers and 1/2” locknut as
shown in Figure 5-2A.
H. Fill gearbox with EP80W-90 gear oil until oil
level is at check plug on side of gearbox housing.
(Capacity is 1 quart) Replace solid fill plug with
breather plug supplied in operator’s manual pack-
age.
Figure 5-2
(ATH MODELS)
Figure 5-2A
(FTH MODELS)
3/8” x 1
1
⁄4” Carriage Bolts
3/8” Flatwashers
3/8” Lockwashers
3/8” Hex Nuts
3/8” x 1
1
⁄4” Carriage Bolts
3/8” Flatwashers
3/8” Lockwashers
3/8” Hex Nuts
1/2” x 6
1
⁄2” Capscrew
1/2” Lock Nut
Retainer
Roller Shaft
Roller Sleeve
Roller Mount L.H.
Roller Mount L.H.
Roller Mount R.H.
Roller Mount R.H.
3/4” Flatwashers.
Roll Pin
Roller
Roller
14