Alamo T 7740 Joystick Control of Boom Movement, S/N MB21-01001, Up except, S/N MB24-01001, Figure

SERVICE BULLETIN No. 962310

Alamo Industrial Technical Services Department

1502 East Walnut

Seguin, Texas 78155

830-372-2708

Models: Machete Boom Mowers				Bulletin No:		Date:
S/N MB21-01001	& Up (except 01044)
				962310
S/N MB24-01001	& Up					Oct. 23, 1996
				(Old # 960008)
Parts:		Labor:	Old Parts Disposition:		Termination Date:
100 % at Dealer Net		0.7 hr. at Dealer registered	Hold all removed parts for		Feb. 1, 1997
		Shop Rate	return

Joystick Control of Boom Movement:

Subject:

Lack of proportional control of the Boom Movement may develope due to the joy stick controls.

Service Required:

1.Operated Boom controls for the lift, dipper and swing function. The Cylinder speeds should be able to be controlled from very slow to fast without jerking or sudden stop.

2.If lift, dipper and swing function operates smoothly and speeds can be controlled, No service will be required joystick is working correctly.

3.If lift, dipper or swing function do not operate smoothly, it will be necessary to replace the joystick control box. Alamo Industrial through testing has found some joysticks were not properly adjusted from the factory. The returned joysticks have been readjusted, rebuilt and tested. The rebuilt joystick will be used in this repair.

4.Make certain the ignition switch is in the "OFF" position. Remove the wiring harness from the bottom of the control box by unscrewing the connector. Remove the mounting bolts from the bottom of the control box and remove the box.

5.Install the replacement control box (Joystick) in the reverse order and test operate unit.

Parts Required:

Part No.	Qty	Description
02969819RB	1	Joystick Controller

See Operators manual or Service Manual for Wire Harness connections.

Figure 1

Warranty Compensation will be provided following proper filing of warranty claim in accordance with the Alamo Industrial Warranty Policy. Claim allowance may vary in accordance with laws governing a specific region. Any Warranty associated with this service bulletin must be within authorized dates.

MACHETE

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