Maintenance
Figure 25
44 Inch Deck
1.
Blades side to side
2.
Measure here
7. Set anti-scalp rollers to top holes or remove
completely for this adjustment.
8. Set the height-of-cut lever to the 3 inch (76 mm)
position. Place two “B” thick blocks (see Block
Height and Rake Table) under the rear edge of the
cutting deck skirt; one on each side of the cutting
deck. Place two “A” thick blocks under each side
of the front edge of the deck, but not under the
anti-scalp roller brackets.
Block Height and Rake Table
Deck
Size
Front Block
Height “A”
Rear Block
Height “B”
Rake “R”
44
2.69 inches
(6.8 cm)
2.99 inches
(7.6 cm)
1/8–3/8 inch
(3.2–9.5 mm)
48 &
52
2.77 inches
(7.0 cm)
2.81 inches
(7.1 cm)
1/16–5/16 inch
(1.6–7.9 mm)
9. Carefully rotate the blades side to side (Figure 24
and Figure 25).
10. Loosen the leveling adjust locking nuts (item 1
Figure 26) on all four corners so that the deck is
sitting securely on all four blocks. Make sure that
the slack is removed from the deck hangers and
the deck lift foot lever is pushed back against the
stop, then tighten the four leveling adjust locking
nuts.
Figure 26
1.
Leveling adjust locking
nuts
3.
Deck hanger
2.
Deck lift arm
4.
Chain
11. Recheck that blocks fit just snugly under the deck
skirt. Make sure all attachment bolts are tight
12. Continue leveling the deck by checking the
front-to-rear blade slope; refer to
Adjusting the
Blade Slope.
13. Recheck blades for levelness and repeat deck
leveling procedure if necessary.
Adjusting the Blade Slope
1. Check the front-to-rear blade level any time you
install the mower. If the front blade tip is not
“R” (see Block Height and Rake Table in
Deck
Leveling
) lower than the rear blade tip, adjust the
blade level using the following instructions:
2. Park the machine on a level surface and disengage
the blade control switch.
3. Move the motion control levers outward to
the neutral position, engage the parking brake,
stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
4. Check the air pressure of all four tires. If needed,
adjust to the recommended inflation; refer to
Checking the Tire Pressure
in Drive System
Maintenance section.
5. Check and adjust the side-to-side blade level if
you have not checked the setting; refer to
Deck
Leveling
.
6. Set the height-of-cut lever to the 3 inch (76 mm)
position. Place two “B” thick blocks (see Block
Height and Rake Table in
Deck Leveling
) under
the rear edge of the cutting deck skirt; one on
each side of the cutting deck. Place two “A” thick
36
Summary of Contents for PIONEER PNS20KA443
Page 1: ...PIONEER S SERIES For Serial Nos 920 000 Higher Part No 4500 898 Rev A ...
Page 45: ...Schematics Schematics Electrical Diagram 45 ...
Page 46: ...Schematics Electrical Logic Schematic 46 ...
Page 48: ...Notes 48 ...
Page 49: ...Service Record Date Description of Work Done Service Done By 49 ...
Page 50: ...50 ...
