1977/05/30 Caterpillar

Fabricated Tools For Assembly And Disassembly Of 7271 Marine Transmission{0621,3300}

Usage:

Six new tools can be fabricated for assembly and disassembly of the 7271 Marine Transmission. The FT1368 Mounting Adapter is used to hold the forward or reverse top shaft to the 1P2420 Transmission Repair Stand for assembly or disassembly of clutches.

The FT1365, FT1366 and FT1367 Puller Adapters are used to remove the drive gears from the top shaft. The FT1367 Puller Adapter is used on the marine transmissions with 5.09:1 and 4.5:1 ratios. The FT1366 Puller Adapter is used on the marine transmissions with 6.07:1 and 5.55:1 ratios. The FT1365 Puller Adapter is used on marine transmissions with a 7.0:1 ratio. The FT1365 Puller Adapter is also used to remove the gear on the input shaft for all the 7271 Marine Transmissions.

The FT1369 Seal Installer is used to install the seal for the output shaft. The FT1370 Seal Installer is used to install the seals for the input shaft.

Drawings needed to fabricate the new tools are available from your Division Service Manager.

FT1368 Mounting Adapter used with transmission repair stand.

Caterpillar Information System:

1977/05/30 Improvements To Aftercooler Water Lines{1063,1380}

1977/05/30 Self Locking Bolts Or Hardened Washers Used In Place Of Sheet Metal Locks{3300}

1977/05/30 New Gasket Used At The Outlet Flange On Heavy-Duty Air Cleaner Group{1051}

1977/05/23 Method Of Piloting Power Generator To Engine Improved{1156,1157,4450}

1977/05/23 Install New Plugs To Prevent Oil Leaks At The Oil Filter Base{1306}

1977/05/23 Orifice In Oil Supply Passages Of BrakeSaver Stator Prevent Seal Leakage{1155}

1977/05/23 Parts In 1P3075 Seal Puller Group Available Separately{0621,1160,1161}

1977/05/16 Flare Nut Wrenches Available{0610}

1977/05/16 Use Special Instruction Form SEHS6929 For Repair And Maintenance Information On All Roll-Over Protective Structures (ROPS){7323,7325}

1977/05/16 Stronger Guide Assembly For Oil Level Gauge Used On Caterpillar-Built Engines In Massey-Ferguson Tractors{1300}

1977/05/16 New 5P4185 Fuel Pump Timing Pin To Be Used Only On 3408 And 3412 Engines{0650,1257}

1977/05/16 Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures{1209}

1977/06/06 Improvements To Fuel Injection Pump And Governor{1286}

1977/06/06 New Tool For Installation Of Tandem Drive Chains On All Series G Motor Graders{0621,4063}

1977/06/06 Water Pump Has Stronger Pulley{1361}

1977/06/06 5P7386 Seal Driver For Hydraulic Pumps And Swing Motor{0622,5058,5070}

1977/06/13 New Adapter Group For Use With Fuel Injection Test Bench{0652}

1977/06/20 5P7333 Tool Group Available For The Repair Of Loose Bridge Dowels On Cylinder Heads{0663,1101}

1977/06/20 Socket For Removal And Installation Of Fuel Injection Pump Bushings is Now Stronger{0612,1253}

1977/06/27 More Of The Oversize (Larger) Cast Iron Seal Rings Are Available For Clutch Housings And Clutch Pistons{3169,3170}

1977/06/27 Correct Rebuild Kits Must Be Used For Repair Of Earlier And Later Water Pumps{1361}

1977/06/27 New Aftercooler Housings And Covers Have Improved Design{1063}

1977/06/27 Service Tools For Low Emission Truck Engines With EGR{0650,1059,1080}

1977/07/04 Tools To Hone (Machine) Cylinder Liners Are Available To Permit The Use Of Used Cylinder Liners With New Style Pistons{0664,1214,1216}