Park Brake Adjustment

SETUP AND ADJUSTMENTS

When park brake is in the engaged position the distance between the trunion and the bolt head at the rear of the assembly should measure 1/8” to 1/4” and the spring should measure 1.25”. To adjust the gap between the trunion and the bolt head loosen the nut against the yoke then turn the bolt head the proper direction to achieve the proper gap. To adjust the length of the spring turn the nut against the spring the proper direc- tion to lengthen or shorten the spring. This adjustment is the same for both sides. FIG - 8

•If brake lever trys to catch as you engage the brake the spring needs to be tightened. When you change the spring length you also have to maintain the 1/8” to 1/4” gap between the bolt

head and the trunion.

NOTE: Do not force the brake lever into the on position if it is catching this will cause damage to the brake assembly.

•If brake squeaks while the machine is in use. The spring may be to tight or the gap between the bolt head and the trunion may be to large.

Motion Control Linkage Adjustment

This adjustment must be made with the rear wheels rotating. Raise the rear of the machine and block it up so the wheels are free to rotate.

CAUTION: Keep hands, feet and clothing away from rotating tires.

Spring	1/4” Gap
	Loosen here
FIG - 8

Begin with either side and put the motion control lever into the neutral position. Adjust the motion control linkage by rotating the double nuts in the proper direction until the wheel stops rotating.

FIG - 9 Move the motion control lever forward then into the neutral position and place it into the neutral slot. The wheel must be stopped com- pletely at this point. Now do the same in reverse and release the lever. The lever should return to neutral on its own. If not see reverse spring detent adjustment.

Tilt seat forward and remove the seat rod so the seat may rotate forward onto the frame.

Place a 2x4 board between the foot plate and the center of the seat to engage the seat safety switch.

Loosen the nuts directly behind each ball joint on both rods that connect the pump arm to the motion control assemblies. FIG - 9

Start the engine. The park brake must be engaged and the motion control levers in the neutral slots to start the engine. Run the en- gine approximately half throttle

Release park brake to allow the wheels to rotate.

	Motion
	Control	Turn Here
	Lever	Turn Here
	Lever	To Adjust
		To Adjust
	Loosen Here	Loosen Here
	(Lt. Hand Thds.)
		FIG - 9

968999185/ZTH5225KAA, 968999183/ ZTH5223KOLA, 968999186/ZTH6125KAA, 968999189/ ZTH6123KOLA, 968999181/ZTH5223KAA specifications

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