HP LaserJet 9040/9050 Service Manual - Page 277

Common hardware Table 31. Hardware table Example Description Screw Screw, tapping Screw, pan head Sizes M3 by 6 mm M3 by 8 mm M4 by 8 mm M4 by 10 mm M3 by 6 mm M3 by 8 mm M3 by 30 mm M4 by 6 mm M4 by 12 mm M3 by 6 mm Uses Various To hold plastic to metal (excluding the control panel) To hold plastic to plastic Screw, w/washer E-ring M3 by 6 mm M3 by 8 mm M3 by 7 mm M4 by 6 mm M4 by 12 mm XD9-0136-000CN XD9-0134-000CN To hold plastic to metal (excluding the covers) To hold gears in place Table 32. Common torque values Material HP recommended torque value Plastic to metal 5.5 lb-in Metal to metal 10 lb-in PCBA 5.5 lb-in Plastic to plastic 5.5 lb-in Introduction 261