Tractor Drive Belt - Hydro Model - Simplicity Broadmoor 1600 Series Operator's Manual

12. See figure 37. Check belt routing around engine pul-
ley, idler pulleys, and transaxle pulley. Check that the
electric clutch, drag link and idler pulley spring are all
correctly installed.
13. Start tractor engine and check operation of belt by
placing transmission lever in gear and engaging/dis-
engaging the clutch/brake pedal.
TRACTOR DRIVE BELT - HYDRO MODELS
1. Park the tractor on a smooth, level surface such as a
concrete floor. Disengage the PTO, turn off the engine
and lock the parking brake. Remove the key.
2. Remove the mower as described under Mower
Removal in the Operation section.
3. See figure 38. To remove the belt from the idler pulley
(A), loosen flange whiz nuts (B). Slip belt from between
belt stop (C) and idler bracket.
4. Release the parking brake. Rotate idler pulley to
relieve spring tension and remove spring (D, figure 38)
5. See figure 36. To remove belt from engine pulley, the
PTO (electric clutch) must be removed and the belt slid
over the top of the pulley. Disconnect the PTO wire.
Remove the capscrew (A) along with the hex washer
and lockwasher securing the PTO to the engine crank-
shaft. Slide belt over the top of the engine pulley.
6. See figure 36. Install new belt over engine pulley
before re-installing the electric clutch. Install hex wash-
er, lockwasher and capscrew (A). Lubricate weld tab
on underside of tractor (D). Make sure tab is aligned
with hole in top of electric clutch, then tighten cap-
screw to 45-50 ft. lbs. Reconnect the clutch wire.
NOTE: Check capscrew torque after 1 hour of operation.
7. See figure 36. On left-hand side of tractor, remove
nut securing drag link (B) to steering arm (C). Drop
old belt below drag link. Route new belt above drag
link before re-installing nut on drag link, then tighten
nut.
8. Turn the transaxle cooling fan counterclockwise to
slip belt through fan blade and slip belt from the
transaxle pulley and tractor (figure 39).
9. Install new belt to the transaxle pulley by turning cool-
ing fan clockwise.
10. Install idler pulley spring (D, figure 38) to frame with
new belt routed between spring and bottom of frame.
11. Lock parking brake to position idler pulley bracket.
Install new belt to the idler pulleys as shown in figure
38. Make sure belt is properly routed on flat and V-
sided pulleys. Refer to figure 39 for proper routing.
Tighten nuts (B, figure 38) securing pulleys.
*2358
Figure 38. Drive Belt Idler Pulley - Hydro Models
A. Idler Pulley
B. Flange Whiz Nuts
*2543
V-Sided
Idler Pulley
Belt Stop
Flat-Sided
Idler Pulley
Transaxle Pulley
Figure 39. Tractor Drive Belt Routing - Hydro Models
12. See figure 39. Check belt routing around engine pul-
ley, idler pulleys, and transaxle pulley. Check that the
PTO, drag link and idler pulley spring are all correctly
installed.
13. Start tractor engine and check operation of belt by
placing ground speed control lever in a forward
speed and engaging/disengaging the clutch/brake
pedal.
31
Belt Replacement
C. Belt Stops
D. Spring
Engine Pulley
PTO (Electric
Clutch) Pulley