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GB - 18
Install (Figure 8)
1. Slide mower deck under unit.
NOTE: Perform step 2 and 3 for the right and
left side of unit.
2. Install front and rear trunnions on lift
arms.
3. Install drag link on mower deck.
4. Install PTO belt on electric clutch (see
REPLACING PTO BELT on page 23).
5. Level and adjust pitch of mower deck
(see LEVELLING AND ADJUSTING
PITCH OF MOWER DECK on page 18).
LEVELLING AND ADJUSTING
PITCH OF MOWER DECK
NOTE: Adjust on a level surface, with the
tires inflated to the correct air pressure (see
SPECIFICATIONS on page 29).
There are three measurements required to
level and adjust the pitch of the mower deck.
1. The distance from the mower blades to
the ground.
2. The forward pitch of the mower blades.
3. The pitch of the mower blades from
side-to-side.
The Distance From The Mower
Blades To The Ground (Figure 9):
• In the lowest cutting position should be
1-1/2 in. + 1/4 in. (3.8 cm + 0.64 cm).
• In the highest cutting position should
be 4-1/2 in. +
1/4 in.
(11.4 cm +
0.64 cm).
Figure 8
1. Rear Trunnion
2. PTO Belt
3. Mower Deck
4. Drag Link
5. Front Trunnion
6. Lift Arms
1
2
3
4
6
6
5