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Installation, Repair and Replacement of v-belts on Cub Cadet Tractor 1015, 1225, 1315

Left-hand and right-hand are referenced from the point of view of the tractor operator.
The flat backside of the belt rides on flat idlers; the inside vee rides in v-idlers and pulleys.

Name	Serial No.	Mod. Number	Drive Belt	Primary Belt	Secondary Belt
1015	126,001 thru 207,400	138-200-100, 131-200D100, 139-200-100, 130-200-100	754-3035 90"x1/2" 4L section	754-3038 60.5"x1/2"	754-3026A 60"x1/2" A section
1225	207,401 thru 239,300	133-201F100, 132-201F100	754-3035 90"x1/2" 4L section	754-3029 59"x1/2"	754-3036 63"x1/2" A sect.
1315	147,008 thru 207,400	139-222-100, 130-222-100, 131-222F100	754-3035 90"x1/2" 4L section	754-3038 60.5"x1/2"	754-3036 63"x1/2" A sect.

#1. Drive belt - front
Viewed from below, the PTO clutch pulley is seen at far right (#1). The belt exits the right-hand side of the engine pulley, goes around the right-hand side of the v-idler, around the left-hand side of the flat idler and enters the right-hand side of the transmission pulley.
#2. Drive belt - rear
Viewed from below, the transmission pulley is seen at far left (#2). The belt exits the left-hand side of the transmission pulley and goes directly to the left-hand side of the engine pulley.
#3. Drive belt - front idler
A closer view from the right-hand side and below, the v-idler is seen at top (#3).
#4. Drive belt - rear idler
Viewed from below, looking toward the tranny (#4). The flat backside of the belt rides on the flat idler.
#5. Diagram of drive belt
Diagram given on Cub Cadet illustrated parts list (#5). Engine pulley is seen at right; transmission pulley at left.
#6. Deck belts
Viewed from the engine pulley, the upper belt is the primary blade belt (#6). The lower belt is the secondary blade belt.
#7. Blade belt - right side view
Viewed from the right-hand side, the secondary blade belt (#7) runs directly from the front of the left-hand blade pulley to the front of the right-hand blade pulley, around the rear of the v-idler and around the front of the flat idler.