Allis-Chalmers 400 Series - Rotary Mower; Mower Attachment and Removal

Rotary Mower
ROTARY MOWER
FIGURE 1
42" AND 48" ROTARY MOWERS
ATTACHING THE MOWER
1. Park the tractor on level ground and place the
mower at right side of tractor. Turn tractor wheels
hard to the left and place mower height adjusting
lever in the lowest position. Slide mower into
place under tractor (Figure 1).
2. Lift front of mower and align holes in mower link
assembly with holes in tractor front hitch and
install round head pins and lock pins as shown in
Figure 2.
3. With mower in low cutting position, loosen wing
nut and back it off almost to end of wing nut rod
(Figure 3). Place belt over electric clutch pulley.
(Figure 2), over the right hand and left hand idler
pulleys, and over the mower driven pulley.
4. Tighten wing nut at front of tractor to tighten
drive belt. Continue turning wing nut until the
indicator (Figure 3) moves into the rear half of
"green" zone on decal on right side of idler frame.
Turn nut and lockwasher on wing nut rod down
against inside of idler frame and tighten wing nut
tight.
5. Adjust belt guides to 1/16 to 1/8 inch clearance
with mower belt (Figure 2).
6. Assemble the lift link, (Figure 1) to the fifth link
of lift chain and attach lift link to the lift arm
under tractor with a pin and lock pin (Figure 4}.
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