Exmark Quest SP Models 850 - Manual (Page 36)

Maintenance
Figure 23
48 and 52 Inch Decks
1. Blades side to side 2. Measure here
Figure 24
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 2.58 inches
(6.5 cm) 2.82 inches
(7.2 cm) 1/8–3/8 inch
(3.2–9.5 mm)
48 &
52 2.58 inches
(6.5 cm) 2.80 inches
(7.1 cm) 1/16–5/16 inch
(1.6–7.9 mm)
9. Carefully rotate the blades side to side (Figure 23
and Figure 24).
10. Loosen the leveling adjust locking nuts (item 1
Figure 25) 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 25
1. Leveling adjust locking
nuts 3. Deck hanger
2. Deck lift arm
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
36