Alamo T 7740 manual SERVICE BULLETIN No, Figure, Machete, Models, Labor, Old Parts Disposition

SERVICE BULLETIN No. 971404

Alamo Industrial Technical Services Department

1502 East Walnut

Seguin, Texas 78155

830-372-2708

Models:	Machete Boom Mowers			Bulletin No:		Date:
				971404		Apr. 14, 1997
				(Old # 970004A)
Parts:		Labor:	Old Parts Disposition:		Termination Date:
100 % at Dealer Net		1.5 hrs. at Dealer registered	No Returnable Parts		Oct. 1, 1997
		Shop Rate	involved

Restrictor Installation Lift & Dipper Cylinder Function:

Subject:

Lift and/or dipper functions drop to fast. When both functions are combined, sudden drop may occur. Install one way restrictors in the dipper cylinder rod end port and the tilt cylinder barrel end port of the control valve to prevent the sudden drop of the boom and damage to the boom and frame.

Service Required:

1.Remove the cover from the control valve, clean the control valve of all debris to prevent contamination from entering system. Make certain that Boom is lower with head resting on the floor. Make certain that all pressure is relieved from the system and all hoses.

2.Remove and plug the hose from the rod end of the dipper cylinder (Blue Tag) at the valve. Remove the adapter from the valve.

3.Install the new adapter (# 02972159), orifice plate and old adapter as shown in figure 1. Be certain that the groove in the orifice plate is installed as shown. Perform the same procedure to the barrel end of the lift cylinder valve port (Orange and White Tag)

4.Reassemble the machine and clean any spilled oil. Test for operation by running through its cycle to remove any trapped air in system and inspect for leaks.

Parts Required:				To Hose
			Orifie Plate		Existing
Part No.	Qty	Description			Adapter
			P/N 02969398
02972159	2	Straight Adapter	Note orientation		New Adapter
02969398	2	Orifice Plate .055"	of notch in plate		P/N 02972159
			Notch away from
See Operators manual or Service Manual			valve
for Port locations on valve if needed.			Figure 1	To Valve

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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