TM 9-2350-247-20-3 REPAIR HULL BY WELDING — Continued 0406 00 Table 2. MAGNESIUM CASTINGS Major Component Part Part Number Alloy Differential Adapter, differential oil lines 10865948 AZ91C, 92A Differential Plate, adapter 8756605 AZ91C, 92A Differential Retainer, oil seal 10886461 AZ91C, 92A Differential Housing, differential 8756603 AZ91C, 92A Differential Cover, differential housing 8756613 AZ91C, 92A Fan Retainer, bearing 10886455 AZ91C, 92A Fan Retainer, bearing 10886456 AZ91C, 92A Fan Housing assembly, fan gearbox 10863486 AZ91C Fan Fan, 20 in.  diameter cooling 10865510 AZ91C Fan Fan housing, 20 in.  diameter 11616515 AZ91C Fan Housing, drive shaft bearing 8756933 AZ91C Fuel compartment Cover, access 10908008 Optional EQUIPMENT AND MATERIALS 1. Portable welder Linde model number 3431-972-7672 with manufacturer’s manual number 7610-C-12210 or portable welder Westinghouse model number 3431-879-9709 with TM 5-3431-200-15 and TM 5-3431-200-35P and manufacturer’s manual number 7610-C-1-2089. 2. Manual welding gun with spool or gun attachment. 3. Voltage control unit. 4. Inert gas supply, regulator-flowmeter, hose and fitting. 5. Number 5356 filler wire. 6. Direct current welding generator (200-ampere minimum capacity). 7. Welding helmet and protective clothing. 0406 00-2