Operator's Manual

Adjusting the Front-to-Rear Mower
Pitch
1. P osition the right blade front-to-rear
( Figure 73 ).
2. Measure the right blade at the A location, from
a lev el surface to the cutting edg e of the blade
tip( Figure 73 ).
Figure 73
1. Measure here from blade
to hard surface
2. Measure at A and B
3. R ecord this measurement.
4. Measure the right blade at the B location, from
a lev el surface to the cutting edg e of the blade
tip ( Figure 73 ).
5. R ecord this measurement.
6. T he mo w er blade should be a 1/4 to 3/8 inc h
(6 to 10 mm) lo w er at position A than at
position B ( Figure 73 ). If it is not cor rect,
proceed to the follo wing ste ps .
Note: Both of the front swi v els need to be
adjusted the same amount to maintain equal
c hain tension.
7. Loosen the front swi v el jam n uts , at the front
of the right and left swi v els , appro ximately a
1/2 inc h (13 mm) ( Figure 72 ).
8. Adjust the lift n uts on both the left and the
right side of the mac hine to ac hiev e 1/4 to
3/8 inc h (6 to 10 mm) lo w er in front at A than
in the rear at B ( Figure 72 ).
9. Tighten both swi v el jam n uts ag ainst the front
swi v el to loc k the height.
10. Chec k to mak e sure there is equal tension on
the c hains and adjust ag ain if needed.
Adjusting the Compression Spring
1. Raise the mo w er lift lev er to the transpor t
position.
2. Chec k the distance betw een the tw o larg e
w ashers , it needs to be 11-1/8 inc hes (28.2 cm)
for 52 inc h mo w er dec ks and 10-1/2 inc hes
(26.7 cm) for 60 inc h mo w er dec ks ( Figure 74 ).
3. Adjust this distance , b y loosening the spring
jam n ut and tur ning the n ut in front of eac h
spring ( Figure 74 ). T ur ning the n ut cloc kwise
will shor ten the spring; counter -cloc kwise will
lengthen the spring .
4. Loc k the n ut into position b y tightening the
spring jam n ut ( Figure 74 ).
Figure 74
1. 11–1/8 inch (28.2 cm)
between the large washers
for 52 inch mower decks
6. Lift nut
2. Front nut
7. Front support arm
3. Spring jam nut
8. Large washer
4. Front swivel
9. 10-1/2 inch (26.7 cm)
between the large washers
for 60 inch mower decks
5. Swivel jam nut
Servicing the Cutting Blades
Maintain shar p blades throughout the cutting
season because shar p blades cut cleanly without
tearing or shredding the g rass blades . T earing and
shredding tur ns g rass bro wn at the edg es , whic h
slo ws g ro wth and increases the c hance of disease .
Chec k the cutter blades daily for shar pness , and
for any w ear or damag e . File do wn any nic ks
and shar pen the blades as necessar y . If a blade is
damag ed or w or n, re place it immediately with a
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