Section 4 - ADJUSTMENTS & REPAIR
4.3.3.Deck Belt Replacement (continued from
previous page)
6.Grip rag firmly while pulling up on belt and rotating pulley. Belt will roll off of spindle pulley.
7.Very carefully relax tension on belt.
8.Route belt off of jackshaft pulley, idler pulley and right spindle pulley. Remove deck belt spring. Remove belt. See Figure 4.8.
9.Reverse procedure to install new belt.
10.Attach blade control cable spring to idler arm and blade control cable to anchor bracket. Tighten nut securely.
11.Install engine to deck belt and belt guide at jackshaft pulley.
12.Install cover to seat pedestal. Tighten screws securely.
WARNING
Blades must stop rotating in 3 seconds or less after blades have been turned off. DO NOT operate machine until blade brake has been adjusted and functioning properly. Contact your SNAPPER dealer for assistance.
4.4 MOWER BLADE BRAKE ADJUSTMENT
WARNING
The following procedure requires the engine and blades to be operated. Exercise extreme caution. Clear area of loose parts & tools first. Only operate blades when seated in the operator’s seat.
The blade brake when properly adjusted will stop blade rotation in 3 seconds or less when the blade control lever is moved to the “OFF” position.
Blade brake adjustment is made by turning the adjustment nut on the threaded brake rod. The brake is initially set with 7/16” of thread exposed beyond the nut. See Figure 4.9. Verify this setting before attempting any adjustments.
To tighten the brake (stop blade rotation quicker) turn the adjustment nut clockwise - ONE TURN ONLY.
IMPORTANT: DO NOT
ADJUSTMENT NUT
7/16”
BRAKE ROD
COMPRESSION
SPRING
FIGURE 4.9
WARNING
DO NOT operate machine until blade brake is adjusted and functioning properly. If blade stop time can not be achieved with the adjustment procedure described above, take machine immediately to an authorized SNAPPER dealer.
4.5TRANSMISSION DRIVE BELT REPLACEMENT The transmission and the transmission drive belt require no adjustments. If the transmission belt becomes worn or damaged, replace it.
1.Stop engine. Stop blades. Engage parking brake. Remove key.
NOTE: Park brake must be engaged to release tension from the transmission belt allowing it to be removed.
2.Remove engine to deck belt. Refer to Section
“ENGINE TO DECK BELT REPLACEMENT”.
3.Roll transmission belt off of transmission pulley. See Figure 4.10.
4.Route belt down off of engine pulley and between belt guide.
5.Install new belt reversing above procedure.
TRANSMISSION
BELT
FIGURE 4.10
20