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6. If the height at location A and B are not the same,
change tire pressure slightly to make them the same.
3
A
4
2
1
Figure 73
1. Back view of machine
2. Top of engine deck
3. Tires
Checking Carrier Frame Front–to–Rear
Pitch
The carrier frame must have a pitch of a 1/4 inch (6 mm)
over the length of 24 inches (61 cm) on the carrier frame
(Fig. 74).
1. Measure out 24 inches (61cm) on the carrier frame
(Fig. 74).
5
3
24 inch
(61cm)
5
A
4
1
Figure 74
1. Caster Wheel
2. Carrier Frame
3. 1/4–3/8 inch
(6 mm–10 mm) pitch over
24 inch (61 cm) length
2. Measure carrier frame height at location A (Fig. 74).
3. Measure carrier frame height at location B (Fig. 74).
3
B
4
m–7554
4. Same height at locations
A and B
B
2
4
m–6370
4. Height at locations A
and B
5. Caster spacers
4. The height at location A must be a 1/4–3/8 inch
(6 mm –10 mm) lower than location B (Fig. 74).
5. If the carrier frame is not correct, move caster spacers
to make it a 1/4–3/8 inch (6 –10 mm) pitch (Fig. 74).
Move spacers from top or bottom to make the correct
pitch.
6. The tire pressure may also be adjusted slightly to make
a 1/4 inch (6 mm) pitch.
Checking Carrier Frame Side–to–Side
1. Disengage the PTO and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Adjust the tire pressure in all tires to specifications on
page 39.
4. Measure carrier frame height at location A (Fig. 75).
5. Measure carrier frame height at location B (Fig. 75).
6. If the carrier frame height is not the same move
spacers from top or bottom of caster wheel, to make it
level. The tire pressure may also be adjusted slightly to
make it level.
5
2
A
1
4
Figure 75
1. Caster Wheel
2. Carrier Frame
3. Front height–of–cut pins
Checking the Deck
Front-to-Rear Pitch
1. Check the tire pressure on both deck and traction unit.
2. Position one blade front-to-rear (Fig. 76). Measure at
C and D locations (Fig. 76) from a level surface to the
cutting edge of the blade tips (Fig. 77).
52
3
5
2
B
4
1
m–6371
4. Same height at locations
A and B
5. Caster spacers
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