Toro GrandStand 74534 - Mower Deck Adjustments; Leveling the Mower; Preparing the Machine

MOWER DECK
7-4936” & 40” Toro GrandStand Service Manual
7
A. Measure here at the D. Front chain
center of the swivels E. Rear chain
(cntr-to-cntr length) F. Adjustment bolt
B. Swiveljamnuts G. JamNut
C. Front swivel H. Upper chain bolt
PreparingtheMachine
Mower Deck Adjustments
Leveling the Mower
1. Positionmoweronaatsurface.
2. DisengagethePTO,movethemotioncontrollevers
to the neutral locked position and set the parking
brake.
3. Stoptheengine,removethekey,andwaitforall
moving parts to stop before leaving the operating
position.
4. Checkthetirepressureofbothdrivetires.Ifneeded,
adjustto13psi(90kPa).
5. Lower the mower to the 3” (76mm) height-of-cut
position.
Note: The actual cutting height will not be adjusted
until the deck has been leveled. Refer to
“Adjusting the Height of Cut” on page 7-52.
6. Checkthedistancebetweentheswivels,measure
at the center of the swivels (center-to-center length)
on the threaded rod. This length needs to be 19-
1/2” (49.5cm) for 36” mower decks and 17-3/16”
(43.7cm) for 40” mower decks (Fig. 716).
7. Inspect the four chains. The chains need to have
tension.
8. Ifeitherrearchainisloose,thelengthofthe
threaded rod on that side will need to be adjusted to
getequaltensiononbothrearchains.
9. Use the jam nuts at the front swivel to adjust the
length between front and rear swivels on that side
(Fig. 716).
10. Ifeitherfrontchainisloose,loosenthenutonthe
upper chain bolt and the jam nut on the adjustment
bolt.
11. Usetheadjustmentbolttogetequaltensiononboth
front chains (Fig. 716).
12. Tighten the nut on the upper chain bolt and the jam
nut on the adjustment bolt.
Fig. 716 g.83G012739
A
B
E
F
G
H
C
B
D