Alamo T 7740 manual Filter Maintenance Procedure, When to Change Filter, Element Service Procedure

Page 43

TECHNICAL INFORMATION BULLETIN No. 080400

Alamo Industrial ™ Technical Services Department

1502 East Walnut

Seguin, Texas 78155

830-372-2708

Models: All Machete, A-boom, Versa Boom, Slopemower. Boom Mowers which utilize the Joystick operated control valve with the 02976069 oil Filter Kit installed.

Bulletin No: 080400

Date:

Aug. 4, 2000

Filter Maintenance Procedure:

The following Procedure should be followed to provide the correct maintenance of the 02976066 Filter assembly use as standard on the machete moddel boom and any mower using Joystick controlled hydraulic system, and filter as optional equipment.

When to Change Filter:

Inspect the visual indicator when the system is operating at normal operating temperature and under normal flow conditions. When red starts to enter the indicator window, change the element. This will occur prior to bypass by the filter.

Element Service Procedure:

1. Shut System down a disable tractor so it cannot be started. Let Oil cool to a safe temperature.

2.Place a suitable container under the filter to catch any spillage.

3.Unscrew the filter bowl using the wrench flats at the bottom of bowl. Remove the bowl and drain the oil into the container.

4.Pull the element (P/N 02976067) off the adapter

		an discard it.	O-Ring
	5.	Remove the head to bowl seal and discard.	O-Ring
	5.	Remove the head to bowl seal and discard.
		Clean the seal area with a lint free cloth. Install
		the new seals as shown taking care not to cut	Back Up
		the new seals.	Back Up
	6.	Install the new element onto the element	Ring
		adapter boss.

7.Thoroughly clean the filter bowl and fill approxi- mately one half full with clean oil.

8.Screw the Bowl onto the head. Torque the bowl to 30 ft. lbs.

9.Operate the system to expel any trapped air and check for leaks.

10.Check and fill the tractor oil level as required.

This document does not authorize the repair or replacement of parts under warranty

MACHETE

© 2005 Alamo Group Inc.

1-37

Image 43

Contents Edition Information Service BulletinsPage Information & Service Bulletins Introduction Index Machete Section Service Bulletins Alamo Group Inc Section Subject Pulley Fastening to Cutter Shaft of Flail Axe HeadMachete Models Failures of the mower push-pull switchInformation Bulletin 092895 from previous Technical Information BulletinParts Needed Welding ProcedureInformation Bulletin 121495 from previous Corrective Action New Parts Old Parts New Piston Pump used on MacheteNew Seal Protector Added to Blade Bar Assembly Information Bulletin 032596 from previous Oil Leaking from new single Acting Hydraulic Cylinders Dead Batteries on New tractors Cracks in Main Frame Information Bulletin 010397 from previous Interference between Tube Clamps and Main Frame Valve Block O-Ring Replacement Kit available King Pin and Boom Pin Bushing Drivers Available Machete Hitch Post Replacement Kits Hitch Post Replacement KitsRepair Procedures Flanges to prevent rust Information Bulletin 041797-1 from previousKit Numbers Cylinder & Linkage Pin Replacement KitsInformation Bulletin 041797-2 from previous Tilt Link Arm Stop New Thick Blade Bar & Larger Bolts Procedure Joystick Power Cut Off SwitchParts needed Parts Required Cylinder, Link Arm, Turning Arm & Hitch Post Pin Update KitUpdate Kits Combined Kit P/N Machete Following parts are required to make this modification Lock Valve Installation InstructionsElectrical connection Information Bulletin 120697 from previousTo Valve Eleminate Erratic Boom movement Part Numbers required Hood to Frame Interference on TS Series TractorsNew Holland TS Series Fuel Filter New Oil Filter Kit P/N Spindle Oil Filler Kit P/N When to Change Filter Filter Maintenance ProcedureElement Service Procedure Control Valve Relocation Change in the availability of rebuilt components Filter Kit to Update Control Valve System Kit P/N Filter Maintenance Procedure Buzz Bar Drive Coupling Design change Conversion Spindle Bearing Lubrication UpdateRecommended Brands of Hydraulic Oil Effective February 18 Warranty RepairsFactory Spoke Cast Pulley Information Bulletin 041503 from previous Recommended Tools Installation ProcedureProtection of Lexan Sheets Information Bulletin 102103 from previous KIts Available Driveline Update KitPulley Spacer Information Bulletin 011304 from previousMachete Service Bulletins Service Required Joystick ReplacementParts Labor Old Parts Disposition Termination Date Motor to Spindle Bolt Replacement King Post Pin Replacement Longer Pins Machete Rear Flap Bracket, Machete Rotary Head Service Bulletin 962503-1 from previous Service BulletinLower Crossmember Kit Installation Frame Rail Reinforcement, LH Frame Rail Joystick Control of Boom Movement Restrictor Installation Tilt Cylinder Function Parts Required Turning Arm King Pin Replacement Kits Turning Arm King Pin UpgradesNext Service Bulletin 971903 from previous Boom Hinge Point Pin Upgrades Service Bulletin 972103 from previous Restrictor Installation Lift & Dipper Cylinder Function Upper King Pin Bushing Slipping Blade Bolt Inspection / Recall Lower Cross Member Reinforcement Kit P/N Special Note New Holland T7740 & T6640 A/C Drier CampaignUnits Serial Numbers Model T Model T6640Units Serial Numbers New Holland TS Tractor Inspection CampaignTurning Arm Pin Update Kit P/N Service Bulletin 991012 from previous Repair Plates Dipper Boom Reinforcement PlatesValve Pressure Filter Kit Buzz Bar Head Motor Coupler Re-Design Buzz Bar Head Motor Coupler Coupler Update Kit Blade Bolt Inspection Blade Carrier Retaining Bolts 222Parts Required Port Plug Update SubjectService Instructions All BrahmasPage Alamo Group Inc