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Section 5: Maintenance & Lubrication
ZST40 & ZST48 Zero Turn Mowers 357-505M
9/09/11
Ground Drive Belt Installation
1.
Park mower on a flat surface.
2.
Make sure blade engagement switch is (OFF),
control levers are fully (OUT), park brake is (ON) and
engine switch key is (OFF) and removed.
!
WARNING
Make sure engine and engine muffler is completely cooled
before working on and around the drive belt. Severe burns to
the body could result if engine and muffler have not cooled.
3.
Disconnect negative battery cable. See Figure 5-2
on page 31.
4.
Place deck height in the lowest position.
Refer to Figure 5-7:
5.
Remove deck drive belt (#16) from drive pulley (#11)
as outlined in “Deck Drive Belt Installation” on Page
32. This belt does not need to be removed from any
of the other deck pulleys.
6.
Release tension on ground drive belt (#4) by pulling
on idler arm (#2) and carefully removing belt (#4)
from pump tension idler (#1). Use caution when
releasing idler arm (#2) as spring (#3) is in
tension and will snap pulley back into position.
Ground Drive Belt Layout
Figure 5-7
1. Take-up pulley
2. Take-up pivot arm
3. Take-up Spring
4. Ground drive belt
5. Idler Pulley
6. Clutch Locking Bracket
7. Ground drive pulley
8. Take-up eye bolt
9. Jam nut
10. Take-up nut
11. Deck drive pulley
12. Transaxle mounting bolts
13. Wheel lug nuts
14. Neutral return spring
15. Pump pulleys
16. Deck drive belt
33194
7.
Slide belt off of pump pulleys (#15), ground drive
pulley (#7) and remove from mower.
8.
Install new belt by sliding it onto the ground drive
pulley (#7), idler pulley (#5) and over the two pump
pulleys (#15).
9.
Pull on pump idler arm (#2) and slide belt onto idler
pulley (#1). Make certain to keep fingers from
getting between belt and pulley when pulley is
released and tension is re-established.
10. Re-install deck drive belt (#16) on the deck drive
pulley per “Deck Drive Belt Installation” instructions
on Page 32.
11. Make sure the deck drive belt is routed properly on all
of the deck pulleys and then re-tension deck belt idler
per “Deck Drive Belt Installation” instructions on
Page 32.
12. If removed, reattach wiring to deck drive pulley (#11).