Exmark TT20KCC, TT23KAC 3.4DRIVE WHEELS, 3.5MOWER DECK INSTALLATION, Figure Support Pin Location

3.4DRIVE WHEELS

3.4.3Check air pressure in drive tires; recommended pressure is 12-16 psi. Measure circumference of each drive tire. Adjust tire pressure within 12-16 psi range to try to make tire circumferences match as closely as possible.

3.5MOWER DECK INSTALLATION

3.5.1Release the wheel drive system by opening the drive wheel release valves (See 4.1.11). Roll the tractor to the mower deck assembly and allow the tractor assembly to tip backward until the rear of the engine deck contacts the ground.

3.5.2Remove mower deck support frame from mower deck by removing the two hairpins and spacers from the front deck support pins and by removing the two hairpins and spacers from the rear deck support pins (See Figure 1).

3.5.3Install mower deck support frame to tractor engine deck and secure using (8) 3/8-16 x 1 1/4” screws, (8) disc spring washers and (8) whizlock nuts from bolt bag (See Figure 1).

NOTE: Place spring washer cone side against bolt head (cupped side away from head) and install to outside of support frame (as shown in Figure 1). Install with whizlock nuts to the inside of engine deck. Tighten until spring washers are flat.

3.5.4Position tractor with mower deck support frame in place, over the mower deck.

CAUTION

POTENTIAL HAZARD

♦When mower deck is not installed or the two front support rod hairpins are removed, the unbalanced weight of the tractor or tractor with mounted mower support frame may cause the front of the unit to rise suddenly.

WHAT CAN HAPPEN

♦If the unit rises suddenly, injury may occur.

HOW TO AVOID THE HAZARD

♦Securely hold down the front end of the unit when the mower deck is not installed.

Align and re-install the mower deck support pins into the support frame. Install the two spacers and hairpins onto the front support pins and the two hairpins and spacers onto the rear support pins (See Figure 1).

FIGURE 1

SUPPORT PIN LOCATION

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