Holset Air Compressors – 018-006   Engine Component Torque Values

Torque Table

TOC

Holset® SS191 A/C Model

Assembly Torque Specifications
Component N•m ft-lb in-lb
Bearing Capscrews 16   142
Bottom Cover Plate Capscrews 16   142
Connecting Rod Capscrews 25 18  
Cylinder Block to Crankcase Capscrews a. 20 15  
b. 41 30  
Cylinder Head Capscrews a. 30 22  
b. 41 30  
Exhaust Valve Seat 108 80  
Inlet Cage 108 80  
Power Steering Coupling to Crankshaft Capscrew 23 17  
Unloader Cover 41 30  

Holset® QE230, QE296, and QE338 A/C Model

Assembly Torque Specifications
Component N•m ft-lb in-lb
Crankshaft Pipe Plug (Steps 1, 2, and 3) (1) 8   70
(2) 17 13  
(3) 20 15  
Support to Crankcase Captive Washer Capscrews (Step 4) (4) 47 35  
Cover and Head to Crankcase Hexagon Head Capscrews (All SS Models) 27 20  
Unloading Valve Body to Cover Captive Washer Capscrews (All SS Models) 15 11  
Hydraulic Pump Adapter to Crankcase Capscrews 60 45  
Drive Gear Retaining Capscrew 100 75  
Head Hexagon Head Capscrews (All QE Models) (Center Capscrew) (1) 14 10  
(2) 28 21  
Head Hexagon Head Capscrews (All QE Models) (Center Capscrew) 28 21  
Unloading Valve Body 27 20  

Holset® ST676 A/C Model

Assembly Torque Specifications
Component N•m ft-lb in-lb
Cover to Crankcase Capscrews 47 35  
Cap to Connecting Rod Capscrews 23 17  
Cylinder Head Capscrews 41 30  
Support to Crankcase Capscrews 47 35  
Unloading Valve Bodies to Cover Capscrews 14 10  
Pipe Plugs
[1/16 in] 14 10  
[1/8 in] 20 15  
[1/4 in] 25 20  
[3/8 in] 35 25  
[1/2 in] 55 40  
[3/4 in] 75 55  

Holset® ST773 A/C Model

Assembly Torque Specifications
Component N•m ft-lb in-lb
Cover to Crankcase Capscrews 47 35  
Cap to Connecting Rod Capscrews 23 17  
Cylinder Head Capscrews 41 30  
Support to Crankcase Capscrews 47 35  
Unloading Valve Bodies to Cover Capscrews 14 10  
Pipe Plugs
[1/16 in] 14 10  
[1/8 in] 20 15  
[1/4 in] 25 20  
[3/8 in] 35 25  
[1/2 in] 55 40  
[3/4 in] 75 55  

Last Modified:  13-Jun-2005