ZT4000 - 44” & 48” Mower Deck
11
7-1/4”
(18,42 cm)
A
Figure 22. Mower Belt Idler Spring Length
A. Mower Belt Tensioner Spring
B. Anchor Eyebolt
C. Jam Nut
D. Adjustment Nut
B
D
C
B
C
A
7-1/4”
(18,42 cm)
Figure 21. Check the Mower Belt Tensioner Spring Length
A. Spring Anchor
B. Second Hole
C. Spring Bracket
Check the Mower Belt Idller Tensioner Spring Length -
44” Mower Deck & 48” Models Only (S/N: 2014720668 &
Below)
With the spring anchor (A, Figure 21) adjusted in the second
hole (B) of the spring bracket (C) the coil-to-coil spring
length should measure 7-1/4” (18,42 cm).
Check the Mower Belt Idler Tensioner Spring Length - 48”
Models Only (S/N: 2014720669 & Above):
1. Lower the mower deck to its lowest cutting position.
2. Measure the coil length of the mower deck spring (A,
Figure 22). The measurement should equal 7-1/4”
(18,42 cm). If the measurement does not equal 7-1/4”
(18,42 cm), adjust the anchor eyebolt (B).
Adjusting the Mower Belt Idler Spring Length - 48” Models
Only (S/N: 2014720669 & Above):
1. Loosen the jam nut (C).
2. Turn the adjustment nut (D) until a measurement of
7-1/4” (18,42 cm) is achieved.
3. Retighten the jam nut.
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