PC Industries - Supplier of New, Used and Remanufactured Diesel Engines and Spare Parts for Cummins, Detroit Diesel, Perkins and Other Diesel Engines. Supplying New, Used and Remanufactured Detroit Diesel Engines and Spare Parts for IL53, V53, IL71, V71, V92 and 149 Series 2 Cycle Diesel Engines.
Quality Remanufactured Subassemblies and New Spare Parts®
 
 
 
 
 
 
 
 
 
 
 
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New Detroit Diesel Power Units
Series 92 Torque Specifications
Thread Size (in.) Class & Application Torque Specifications
lb-ft N-m
1/4-20 Standard Torque Specification 7-9 9-12
Screw- Aftercooler Adaptor 8-10 11-14
Bolt-Injector Control Shaft Bracket 10-17 14-23
Bolt-Cam Follower Guide 12-16 16-22
1/4-28 Standard Torque Specification 9-10 130-163
Screw-Inj. Rack Control Lever 2-3 3-4
5/16-18 Standard Torque Specification 13-17 18-23
Bolt Oil Pan (Low Pan or in Aluminum Flywheel Housing and Front Cover) 10-20 14-27
Bolt-Blower Drive Assembly Thrust Collar 16-21 22-28
Bolt-Hand Hole Cover (Air Box) 13-21 18-28
Bolt-Oil Pan (Cast) - Hard Gasket 13-21 18-28
5/16-24 Standard Torque Specification 15-19 20-26
Nut-Lock Push Rod 15-19 20-26
Bolt-Blower Drive Plat to Gear 25-30 34-41
Bolt-Blower Drive Coupling Rotor Gear 20-25 27-34
Nut-Lock Vale Bridge Adj. Screw 20-25 27-34
3/8-16 Standard Torque Specification 30-35 41-47
Bolt-Oil Pan  10-20 14-27
Bolt-Rocker Cover Hold-Down Special 12-point 15-20 20-27
Bolt-Air Inlet Housing to Blower 16-21 22-28
Bolt-Injector Clamp 20-25 27-34
Bolt-Side Angle Blower Mounting 30-35 41-47
Bolt-Camshaft & Seal End Bearing 35-40 47-54
Bolt-Flywheel Housing to Idler Gear and Dummy Hub (Place Type) 40-45 54-61
Bolt-Trunnion to Block 40-45 54-61
3/8-24 Standard Torque Specification 35-39 47-53
Nut-U Bolt Boost Cooler Clamp Assembly 8-8 11-11
Nut-Fuel Jumper Line O Ring 13-17 18-23
Nut-Fuel Jumper Line - Flared 11-13 15-18
Nut-Flange Mounted Alternator Adaptor 15-20 20-27
Screw-Lock-Cam Inter Bearing Outboard Bearing Split Block 15-20 20-27
Nut-Injector Clamp 20-25 27-34
Nut-Water Manifold 20-25 27-34
Nut-Flywheel Hsg Small Hole Stud 20-25 27-34
Nut-Exhaust Outlet Manifold Flange (Brass) 25-30 27-34
Bolt-Lower Front Cover 25-30 34-41
Bolt & Nuts-Blower Drive Assembly 25-30 34-41
Nut-Plug Blower Drive Assembly and Flywheel Housing Plug Nuts 25-30 34-41
Bolt-Flywheel Housing Small Hole Cover 30-35 41-47
Bolt-Blower Drive Assembly Flex Plat to Hub 40-45 54-61
Bolt-Accessory Drive to Balance Gear (Steel Disc) 45-50 61-68
Bolt-Step-up Gear 50-60 68-81
Bolt-Blower Drive Sprocket to Blower Rotor Gear 45-50 61-68
7/16-14 Standard Torque Specification 46-50 62-68
Bolt-Tach. Drive Cover 30-35 41-47
Bolt-Flywheel Housing Large Hole Cover 30-35 41-47
Bolt-Blower End Plate 40-45 54-61
Bolt-Crankshaft Outboard Main Bearing Support to Cover 70-75 95-102
7/16-20 Standard Torque Specification 57-61 77-83
Nut-Connecting Rod 60-70 81-95
Connector-Fuel (Steel Washer) 40-45 54-61
Nut-Water Pump Impeller 45-50 61-68
Bolt-Connecting Rod to Pin Crosshead Piston 55-60 75-81
Nut-Connecting Rod 60-70 81-95
Nut-Exhaust Manifold 30-35 41-47
Bolt-Vibration Damper (8-V92) 75-85 102-115
1/2-13 Standard Torque Specification 71-75 96-102
Stud-Alum Flywheel Housing W/50DN Alt 20-25 27-34
Bolt-Tach. Drive Cover 30-35 41-47
Bolt-Flywheel Housing Large Hole Cover 30-35 41-47
Bolt-Idler Gear Hub and Dummy Hub 80-90 108-122
Bolt-Rocker Shaft Bracket to Cyl Head 90-100 122-136
Bolt-Flywheel Housing 90-100 122-136
Bolt-Trunnion TOI Block 105-115 142-156
1/2-20 Standard Torque Specification 83-93 113-126
Bolt-Blower Rotor Gear Retainer for Large Bearing Blower 100-110 136-149
Bolt-Blower Rotor Gear Retainer 55-65 75-88
Bolt-Fuel Pump Drive 55-65 75-88
9/16-12 Standard Torque Specification 90-100 122-136
9/16-18 Standard Torque Specification 107-117 145-159
Bolt-Flywheel 140-150 190-203
Bolt-Damper Hub to Crankshaft 155-165 210-224
Bolt-Cam Gear R.B. (300M) Crankshaft 180-190 244-258
Bolt-Flywheel 180-190 244-258
5/8-11 Standard Torque Specification 137-147 186-199
Bolt-Starter to Aluminum Flywheel Housing 95-105 129-142
5/8-18 Standard Torque Specification 168-178 228-241
Bolt-Lube Oil Filter Center 50-60 68-81
Bolt-Crankshaft Flange 130-140 176-190
Nut-Alternator Pulley 70-80 95-108
Nut-Special Self Locking Nut (10SI Alternator) 40-60 54-81
3/4-18 Nut Standard, Dipstick Tube 30-35 41-47
3/4-16 Standard Torque Specification 290-300 393-407
Nut-Accessory Drive Pulley 120-140 163-190
7/8-14 Standard Torque Specification 475-485 644-658
1-14 Bolt-Crankshaft End 290-310 393-420
Bolt-Crankshaft End, Large head 450 610
Bolt-Crankshaft End 1 1/2 HEX Head 440-460 597-624
11/16-11 Bolt-Cylinder Head * *
1 1/8-18 Nut-Cam and Balance Shaft 300-325 407-441
1 1/4-12 Front PTO Hub Nut 325-350 441-475
1 7/16-16 Nut-Blower Drive Gear Hub 50-60 68-81
* Tighten all head bolts to 150 lb-ft (204 N-m). Loosen the first bolt in the sequence. Retighten to 100 lb-ft (136 N-m) turn 120 degrees. Move on to the next bolt in the sequence and repeat until all are torque-turned.
Series 92 Pipe Plug
Plug Size (in.) Characteristic Torque Specifications
lb-ft N-m
1/2-20 Plug-Fuel Pump Relief Valve 18-22 24-30
1 1/4-16 Plug-Oil Filter Bypass Valve 95-105 129-142
1 1/2-6 Plug-Oil Filter Bypass Valve 110-130 149-176
Series 92 Stud
Thread Size (in.) Class & Application Torque Specifications
lb-ft N-m
7/16-20 Stud-Standard 30-35 41-51
1/2-13 Stud-Aluminum Flywheel Housing W/50DN Alternator 20-25 27-36
 
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