SERVICE BULLETIN

TORQUE SPECIFICATIONS - TM-5-3820-256-24-4_56

TM-5-3820-256-24-4 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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REVISION A SERVICE BULLETIN Kelsey-Hayes Company Fabco Division NO. 738 407 SUBJECT: FORMED-IN-PLACE-GASKETS FOR PRODUCTION AND SERVICE USE AFFECTS: ALL FABCO AXLES EFFECTIVE: JUNE 1985 I. Formed-In-Place-Gasket compound has been phased-in as the standard gasket material on all Fabco axles. The paper gaskets will not (and should not) be used. II. Service gaskets will not be available. Fabco offers gasket compound as a service replacement. SIZE FABCO NO. LOCTITE PRODUCT NO. 6 ml. tube 728 232 001 51517 50 ml. tube 728 232 002 51531 300 ml. tube 728 232 003 51574 A. The advantages of this material in place of cut gaskets are: 1. Eliminates gasket compression set. 2. Reduces or eliminates bolt loosening. 3. Improves structural integrity of the assembly. 4. Cures under pressure - does not require, absorption of moisture. 5. Spreads over the mating surfaces at assembly forming a film that effectively leaves the joined parts in metal-to-metal contact. 6. Provides a reliable seal. B. This anerobic compound (Loctite 515) must be used in the following places: 1. Suspension yoke to axle housing (this is the same as steerable drive end to axle housing flange). 2. Spindle to spindle yoke (or torque plate). 3. Outer axle shaft (or drive flange) to wheel hub. 738 407 1 of 4 Kelsey-Hayes Company/Subsidiary of Fruehauf Corporation 249 671h St., Oakland, CA 94662 (415) 658-7070 TWX 910-366-7196 -22-

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