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Section 5: Maintenance & Lubrication
9. Re-tension idler pulley (#4) by turning the over-
center-release bolt (#9) clockwise. Tension belt per
"Deck Drive Belt Adjustment" section on page 23.
10. Re-install hitch pin (#10).
11. Re-install deck belt covers.
12. Re-attach the negative battery cable and floor panel.
Hydro-Drive Belt Replacement Instructions
Refer to Figure 5-12 & Figure 5-13:
1. Park unit on a flat surface. Stop engine and remove
ignition key. Make sure blade engagement switch is
in the down (OFF) position. Spread control levers
fully apart.
!
WARNING
Make sure engine and muffler are completely cooled before
working on and around the hydro-drive belt. Server burns to
the body could result if engine and muffler have not cooled.
2. Disconnect negative battery cable.
3. Place deck height in the lowest position.
NOTE: Do not remove deck belt from the mower.
Only remove it from the electric clutch pulley.
4. Remove deck drive belt (#8) from electric clutch
pulley (#3) as outlined in steps 3 to 7 on page 37
under "Deck Belt Replacement Instructions".
5. Release hydro-drive belt tension by loosening one of
the two idler pulley bolts (#5) and moving that idler
pulley (#4) completely back.
6. Slide hydro-drive belt off of idler pulleys (#4) and
transaxle pulleys (#7).
7. Remove hydro-drive belt from the engine pulley (#2)
and then from the mower.
8. Install new hydro-drive belt by first sliding the belt
onto both transaxles pulleys (#7) and then onto the
engine pulley (#2).
9. Position the belt over the idler pulleys (#4) and slide
the loosened idler pulley forward to take out any
slack in the belt.
10. Check to make sure the hydro-drive belt (#1) is
routed properly on all five pulleys.
NOTE: Belt tension can be checked with a Belt
Tension Gauge available at most auto parts stores.
11. Tighten the loose idler pulley (#4) until belt (#1) has
30-50 lbs of tension. With drive belt properly
tensioned, tighten idler bolts (#5) to the correct
torque.
12. Re-tension deck drive belt per following steps 8 to 11
on page 37 under "Deck Belt Replacement
Instructions".
13. Re-attach the negative battery cable and floor panel.
38
Z44 & Z52 (S/N 526171 & Above) Accu-Z Razor
Table of Contents
(Transaxles with pulleys removed for clarity)
3
Reference Figure 5-12 & Figure 5-13
1.
Hydro-drive belt
2.
Engine pulley
3.
Electric clutch pulley
4.
Pump idler pulleys
5.
Mounting bolts,
idler pulley
®
Zero Turn Mowers 357-187M
7
1
5
Hydro-Drive Belt Viewed from the Bottom
Figure 5-12
2
Hydro-Drive Belt Removal
Figure 5-13
6.
7.
8.
6
4
2
3
24901
Drive Belt (#1) on
Engine Pulley (#2)
Deck Belt (#8) on
Clutch Pulley (#3)
1
8
24905
Access hole to idler
pulleys
Pump pulleys location
(Not shown for clarity)
Deck drive belt
7/22/10
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