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1. Carrier Frame
2. Top of engine deck
3. Carrier frame mounting
bolts
Checking the Engine Deck Height
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 the rear tires to
specifications; refer to Drive System Maintenance
, page 35 .
4. Measure engine deck height at location A (Figure 79).
1. Back view of machine
2. Top of engine deck
Figure 78
4. Location A, 1-5/16 inch
(33 mm) ±1/4 inch (6 mm)
5. Straight edge
6. Carrier frame cross
channel
Figure 79
3. Tires
4. Same height at locations
A and B
5. Measure engine deck height at location B (Figure 79).
6. If the height at location A and B are not the same,
change tire pressure slightly to make them the same.
Checking the Carrier Frame
Front-to-Rear Pitch
The carrier frame must have a pitch between 1/8 inch
(3 mm) to 3/8 inch (9 mm) over the length of 24 inches
(61 cm) on the carrier frame (Figure 80).
1. Measure out 24 inches (61 cm) on the carrier frame
(Figure 80).
1. Carrier Frame
2. 1/8 inch -3/8 inch (3-10
mm) pitch over 24 inch (61
cm) length
3. 24 inches (61 cm)
2. Measure carrier frame height at location A
(Figure 80).
3. Measure carrier frame height at location B
(Figure 80).
4. The height at location A must be an 1/8-3/8 inch (3
mm -10 mm) lower than location B (Figure 80).
5. If the carrier frame is not correct, move caster
spacers to make it an 1/8-3/8 inch (3 -10 mm) pitch
(Figure 80). Move spacers from top or bottom to
make the correct pitch.
6. The tire pressure may also be adjusted slightly to
make an 1/8-3/8 inch (3 -10 mm) pitch.
54
Figure 80
4. Height at locations A and
B
5. Caster Wheel
6. Caster spacers
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