MTD 619 Operator's Manual page 21

Hydrostatic lawn tractor
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The V-belts found on your tractor are
IMPORTANT:
specially designed to engage and disengage safely. A
substitute (non-OEM) V-belt can be dangerous by not
disengaging completely. For a proper working machine,
use factory approved belts.
To change or replace the deck belts on your tractor,
proceed as follows:
Lower the deck by moving the deck lift lever into the
bottom notch on the right fender.
Remove the belt guards by removing the self-
tapping screws that fasten them to the deck.
Engine Pulley
(or Electric PTO Clutch)
Left Hand Pulley
Deck Idler Pulley
NOTE:
Left hand belt cover not shown for clarity.
Electric PTO Clutch
(Or Engine Pulley)
Deck Idler Pulley
Left Hand
Double Pulley
NOTE:
Left hand belt cover not shown for clarity.
Grasp the rearmost portion of the PTO idler bracket
and pivot it toward the discharge chute to relieve
tension on the PTO belt.
Remove the PTO belt from the engine pulley (or
electric PTO clutch) and the PTO idler pulley(s).
Grasp the deck idler pulley and pivot it toward the
left side of the deck to relieve tension on the deck
belt.
Remove the deck belt from around all pulleys,
including the deck idler pulley.
Route the new belts as shown in Figure 16 and
Figure 17.
Remount the belt guards removed earlier.
Center Pulley
Self-Tapping Screws
Figure 16
(mounted on tractor)
Center Pulley
Figure 17
21
PTO Idler Bracket
(mounted on tractor)
PTO Idler Bracket
Self-Tapping Screws
42-inch Deck
Deck belt (Bottom)
PTO belt (Top)
Right Hand Pulley
(beneath belt guard)
46-inch Deck
Deck belt (Bottom)
PTO belt (Top)
Right Hand
Double Pulley
(beneath belt guard)
*Refer to the
diagram on page
40 for manual
PTO belt routing.

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