Appendix E D791 and T791 Head and Valve Holddown Assembly Details

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1 Appendix E D nd T Hed nd Vlve Holddown Assemly Detils Hed First Stge Holddown Assemly (") Suction with Unloder Suction (Stndrd) First Stge Holddown Assemly (") Dischrge See figure A 0 CAUTION: Alwys relieve pressure in the unit efore ttempting ny repirs. Unloder Piston Assemly Detils Apply Loctite #0 when ssemling Second Stge Holddown Assemly (-/") Suction with Unloder See figure A Suction (Stndrd) Second Stge Holddown Assemly (-/") Dischrge Importnt: Note sel direction Figure A (") - (-/") 0

2 Appendix E D nd T Hed nd Vlve Holddown Assemly Detils First Stge Vlve Assemly (") Suction Dischrge Second Stge Vlve Assemly (-/") Suction Dischrge Prt Description. Adjusting screw nut. - O-ring. Cylinder cp. -0 O-ring. Adjusting cup. - O-ring. Cylinder hed ("). - O-ring NC0A Bolt (/ x-/" hex hd gr )(Torque to ft ls). Cylinder hed (-/"). - O-ring. - c Unloder cp. -0 O-ring. c Unloder piston (") -. c Unloder piston (-/"). Holddown screw NC0A Bolt (/ x-/" hex hd)(torque to ft ls). Vlve cover plte. - O-ring. 0- Vlve cge 0. c Actutor. c Spring. -X Unloder ssemly ("). -X Suction vlve ssemly ("). Vlve gsket. - Vlve cp. -X Dischrge vlve ssemly ("). 0 Vlve cover plte. - O-ring. Vlve cge 0. c Actutor Prt Description. 0 c Spring. -X Unloder ssemly (-/"). -X Suction vlve ssemly (-/"). - Vlve gsket. -X Dischrge vlve ssemly (-/"). Vlve set ("). Stud. 0 d Outer vlve plte. d Inner vlve plte 0. d Spring. 0-X Vlve repir kit. Vlve umper ("). Bolt. Suction vlve set (-/"). Vlve plte. e Spcer (two per vlve). Wsher. Spring. 0 Suction vlve umper (-/") 0. Dischrge vlve umper (-/"). Dischrge vlve set (-/"). c Bolt. -X c Unloder piston sel ssemly. c Unloder piston cp. c Gsket _ denotes O-ring code. See O-ring chrt for detils. Included with vlve ssemly. c Included with unloder ssemly. d Included with vlve repir kit. e Instll spcers ck to ck. f Registered trdemrk of the DuPont compny. A Bun-N B Neoprene f D Viton f E PTFE K Klrez f

3 Appendix E D nd T Hed nd Vlve Holddown Assemly Detils Hed Holddown Assemly (-/") Suction with Unloder See figure A Suction (Stndrd) Holddown Assemly (-/") Dischrge CAUTION: Alwys relieve pressure in the unit efore ttempting ny repirs. 0 Unloder Assemly Prt Detils Apply Loctite #0 when ssemling Vlve Assemlies (-/") Suction Vlve Dischrge Vlve 0 Importnt: Note sel direction Figure A

4 Appendix E D nd T Hed nd Vlve Holddown Assemly Detils Compressor Hed nd Vlve Bill of Mterils Prt Description. Cylinder cp. Cylinder hed (-/"). - O-ring NC0A Bolt (/ - x -/" hex hed Gr ) (Torque to ft ls). - c Unloder cp. -0 O-ring. c Unloder piston. Holddown screw NC0A Bolt (/ - x -/" hex hed)(torque to ft ls). Vlve cover plte. - O-ring. 0- Vlve cge. c Actutor. c Spring. -X Unloder ssemly (-/"). -X Suction vlve ssemly (-/"). Vlve gsket Prt Description. - Vlve cp. Vlve cge 0. -X Dischrge vlve ssemly (-/"). Vlve set (-/"). Stud. 0 d Vlve plte (outer). d Vlve plte (inner). d Spring. Vlve umper (-/"). 0-X Vlve repir kit. c Bolt. -X c Unloder piston sel ssemly 0. c Unloder piston cp. c Gsket _ denotes O-ring code. See O-ring chrt elow for detils. Included with vlve ssemly c Included with unloder ssemly d Included with vlve repir kit. e Registered trdemrk of the DuPont compny. A Bun-N B Neoprene e D Viton e E PTFE K Klrez e

5 Appendix E D, T, D nd T Piston Assemly Detils Piston Assemly Bill of Mterils. D/T st Stge -X (") Prt D/T nd Stge -X (-/") D/T -X (-/") Description TP0A 00-0-TP0A 00-0-TP0A Screw, orlo gr. (torque to ft ls). Piston cp. 0 Shim wsher (thick) As Shim wsher (thin) req. Piston rings Alloy 0 rings (opt.) Peek rings (opt.). 0 Expnder ring. 0 Lock nut (torque to 0 ft ls). 0 Thrust wsher. (" dimeter) (-/" dimeter) (-/" dimeter) Qty Piston 0 Shim wsher (thick) As. 0- Shim wsher (thin) req.. (not shown) Loctite tue (0) MC0 coted piston nd cp ville. Add C to end of stndrd prt numer (e.g. C) Piston Clernce (Cold) Model (Y) Bottom Min. c (Y) Bottom Mx. c (X) Top Min. (X) Top Mx. D/D 0.0" (0. mm) 0.00" (0.0 mm) 0.0" (. mm) 0." (. mm) T/T 0.00" (0. mm) 0.0" (0. mm) 0.0" (. mm) 0." (. mm) The distnce from the ottom of the hed to the top of the piston. c The distnce from the ottom of the piston to the top of the pcking rrel. CAUTION: Alwys relieve pressure in the unit efore ttempting ny repirs. (X) (X) Piston Piston (Y) (Y) Piston Rod Piston Piston Piston ottom ded center Piston top ded center

6 Appendix E D, T, D nd T Connecting Rod nd Crosshed Assemly Detils Connecting Rod nd Crosshed Assemly Bill of Mterils Prt Description -X Crosshed ssemly (D, D). -X Crosshed ssemly (T, T) -X Crosshed ssemly coted piston rod (T, T). 0 Retiner ring. Bolt. -X Connecting rod ssemly,d Connecting rod., Nut. 0 Wrist pin.,c Wrist pin ushing. Connecting rod ering Note lignment mrks Included with connecting rod ssemly Torque connecting rod nut to 0 ft. ls. c Must e reored fter replcing (./. di.) d Not sold seprtely Never ttempt to seprte the piston rod nd crosshed. When repir ecomes necessry, the entire crosshed ssemly must e replced. CAUTION: Alwys relieve pressure in the unit efore ttempting ny repirs.

7 Appendix E D nd D Assemly Detils Specifiction J Specifiction K Upper Segmented Upper Segmented.. Direction Lower Lower Specifiction Specifiction J K Lower Lower 0

8 Appendix E D nd D Assemly Detils Upper Segmented.... Specifiction R Assemly Bill of Mterils Prt Description rrel (-/")( second stge). rrel (")( first stge) rrel (-/")( only). 0 Crush gsket. cup (Not included in -X pcking set). -0_,c,d Cup O-ring. Segmented pcking (rdil tngent) pir.. Segmented pcking (tngent tngent) pir. Bck-up ring. 00-0OC0A Screw (/-0 x " socket hed). Crtridge. Oil deflector ring Retiner ring. Wsher. Spring. Mle pcking ring. pcking. Femle pcking ring. -X d Segmented pcking set. -X pcking set Identifiction of Specifiction Exmple: Model Numer D K MFBA Spec. Segmented for Specifiction J & K Piston (Pressure) Side Segmented pcking for Specifiction J, K, & R Piston (Pressure) Side Direction Lower Specifiction R Cut (without pin) Cut (with pin) Bck-up ring Align pin with hole Cut (without pin) Cut (with pin) Bck-up ring Align pin with hole Lower A Bun-N B Neoprene e D Viton e E PTFE K Klrez e IMPORTANT: Identify nd line up the rings efore instlling. Be sure they fce the wy shown here nd tht the pin nd hole re ligned when ssemled. _ denotes O-ring code. See O-ring chrt for detils. Deflector ring is loose within the pcking crtridge until fitted on the piston rod. Must e put in from the ottom of the crtridge. c Strting with S.N. NN. d cup O-ring not included in pcking set. e Registered trdemrk of the DuPont compny.

9 Appendix E T nd T Assemly Detils Specifiction G Specifiction H Upper Segmented Upper Segmented Middle Direction Middle Specifiction G Middle Specifiction H Middle 0 Lower Specifiction G Lower Specifiction H 0 Lower PTFE Locking Device Lower PTFE Locking Device

10 Appendix E T nd T Assemly Detils Specifiction F Assemly Bill of Mterils Upper Segmented Middle Direction Middle Specifiction F Prt Description rrel (-/")( second stge). rrel (")( first stge) rrel (-/")( only). 0 Crush gsket. cup (Not included in -X pcking set). -0_,c,d Cup O-ring. Segmented pcking (rdil tngent) pir. Bck-up ring. Segmented pcking (tngent tngent) pir. dpter. 00-0OC0A Screw (/-0 x " socket hed) Retiner ring. Wsher. Spring. Mle pcking ring. pcking. Femle pcking ring. Crtridge. -X Adjusting screw. -X d Segmented pcking set. -X pcking set 0. Oil deflector ring Identifiction of Specifiction Exmple: Model Numer T G LFBDNSNC Spec. Segmented for Specifiction F & G Piston (Pressure) Side Segmented pcking for Specifiction F, G, & H Piston (Pressure) Side 0 Lower Specifiction F Cut (without pin) Cut (with pin) Bck-up ring Align pin with hole Cut (without pin) Cut (with pin) Bck-up ring Align pin with hole Lower PTFE Locking Device A Bun-N B Neoprene e D Viton e E PTFE K Klrez e IMPORTANT: Identify nd line up the rings efore instlling. Be sure they fce the wy shown here nd tht the pin nd hole re ligned when ssemled. _ denotes O-ring code. See O-ring chrt for detils. Deflector ring is loose within the pcking crtridge until fitted on the piston rod. Must e put in from the ottom of the crtridge. c Strting with S.N. NN. d cup O-ring not included in pcking set. e Registered trdemrk of the DuPont compny.

11 Appendix E D Crosshed Guide Assemly Detils Crosshed Guide Bill of Mterils Prt Description Qty. Cylinder. Pipe plug (/" NPT). Drin vlve (luricted models). Nipple (/" x close). -_ O-ring for cylinder (st stge) -. -_ O-ring for cylinder (nd stge) rrels nd crtridges (For prts detils, see D pcking on previous pges) NCA Bolt (/" - x -/" hex hed gr ). -S Flnge (inlet/outlet). -_ O-ring for flnge. Roll pin. 0- Crosshed guide. Elow (/" NPT) A Bolt (/" x -/" ferry hed). Gsket (crnkcse). 0 Gsket (inspection cover). Inspection cover. 0-0NC0B Bolt ( - x /" Phillips hd.). -_ O-ring A Bun-N B Neoprene D Viton E PTFE K Klrez _ denotes O-ring code. See O-ring chrt ove for detils. Registered trdemrk of the DuPont compny. CAUTION: Alwys relieve pressure in the unit efore ttempting ny repirs. Note: rrel instlltion:. Use pcking instlltion cone #0 on the piston rod.. Insert smll rrel first, use finger holes to lign slinger ring on to the rod. Slip the pcking rrel into plce.. Align pin with slot in lrge pcking rrel.. Slip lrge pcking rrel in plce.

12 Appendix E D Crosshed Guide Assemly Detils Crosshed Guide Bill of Mterils Prt Description Qty. Cylinder. Pipe plug (/" NPT). Drin vlve (luricted models). Nipple (/" x close). -_ O-ring for cylinder rrels nd crtridges (For prts detils, see D pcking on previous pges) NCA Bolt (/"- x -/" hex hed gr ). -S Flnge (inlet/outlet). -_ O-ring for flnge. Roll pin. 0- Crosshed guide. Elow (/" NPT) A Bolt (/" x -/" ferry hed). Gsket (crnkcse). 0 Gsket (inspection cover). Inspection cover. 0-0NC0B Screw ( - x /" Phillips hd.). -_ O-ring A Bun-N B Neoprene D Viton E PTFE K Klrez _ denotes O-ring code. See O-ring chrt ove for detils. Registered trdemrk of the DuPont compny. CAUTION: Alwys relieve pressure in the unit efore ttempting ny repirs. Note: rrel instlltion:. Use pcking instlltion cone #0 on the piston rod.. Insert smll rrel first, use finger holes to lign slinger ring on to the rod. Slip the pcking rrel into plce.. Align pin with slot in lrge pcking rrel.. Slip lrge pcking rrel in plce.

13 Appendix E T Crosshed Guide Assemly Detils Crosshed Guide Bill of Mterils rrels nd crtridges (For prts detils, see T pcking on previous pges). Prt Description Qty. Cylinder. Pipe plug (/" NPT). Drin vlve (luricted models). Nipple (/" x close). -_ O-ring for cylinder (st stge) -. -_ O-ring for cylinder (nd stge) NCA Bolt (/" x -/" hex hed gr ). -S Flnge (inlet/outlet). -_ O-ring for flnge. Roll pin. - Crosshed guide A Bolt (/" x -/" ferry hed). Crtridge plte Retiner ring. Gsket (crnkcse). 0 Gsket (inspection cover). Inspection cover. 0-0NC0B Bolt ( - x /" Phillips hd.). -_ O-ring. Crtridge holddown screw 0. Cge. -_ O-ring. Oil deflector ring A Bun-N B Neoprene D Viton E PTFE K Klrez _ denotes O-ring code. See O-ring chrt ove for detils. Registered trdemrk of the DuPont compny. CAUTION: Alwys relieve pressure in the unit efore ttempting ny repirs. Note: rrel instlltion:. Use pcking instlltion cone #0 on the piston rod.. Insert smll rrel first, use finger holes to lign slinger ring on to the rod. Slip the pcking rrel into plce.. Align pin with slot in lrge pcking rrel.. Slip lrge pcking rrel in plce.

14 Appendix E T Crosshed Guide Assemly Detils Crosshed Guide Bill of Mterils Prt Description Qty. Cylinder. Pipe plug (/" NPT). Drin vlve (luricted models). Nipple (/" x close). -_ O-ring for cylinder NCA Bolt (/" x -/" hex hed gr ) 0 0 rrels nd crtridges (For prts detils, see T pcking on previous pges).. -S Flnge (inlet/outlet). -_ O-ring for flnge. Roll pin. - Crosshed guide A Bolt (/" x -/" ferry hed). Crtridge plte Retiner ring. Gsket (crnkcse). 0 Gsket (inspection cover). Inspection cover. 0-0NC0B Bolt ( - x /" Phillips hd.). -_ O-ring. Crtridge holddown screw 0. Cge. -_ O-ring. Oil deflector ring A Bun-N B Neoprene D Viton E PTFE K Klrez _ denotes O-ring code. See O-ring chrt ove for detils. Registered trdemrk of the DuPont compny. CAUTION: Alwys relieve pressure in the unit efore ttempting ny repirs. Note: rrel instlltion:. Use pcking instlltion cone #0 on the piston rod.. Insert smll rrel first, use finger holes to lign slinger ring on to the rod. Slip the pcking rrel into plce.. Align pin with slot in lrge pcking rrel.. Slip lrge pcking rrel in plce.

15 Appendix E Crnkcse Assemly Detils 0 0 (Pipe plug on under side of crnkcse is not shown) 0 0 Inside of Bering Crrier 0 0 Oil Pssge Hole Importnt! Line up hole in gsket with oil pssge hole. Pump Cover Oil/Filter Adpter 0 (Includes ll prts shown except # nd #) Pumpside of dpter shown for proper orienttion of cover nd loction of pump cover pin.

16 Appendix E Crnkcse Assemly Detils Crnkcse Assemly Bill of Mterils Prt Description. Bering cone. Spcer. Drive sprocket. Crnkshft orifice. Drive pin. Link pin. Crnkshft. 0 Flywheel key. 0 Bering cone. -X Crnkshft ssemly. 00-0NC0A Bolt (/ - x /" hex hed). Inspection cover. Gsket, inspection cover. -_ c O-ring. -X Oil yonet ssemly (w/o-ring). Brether ll. Bering cup. Bering djustment shim (.00") - Bering djustment shim (.00") - Bering djustment shim (.00"). Bering cover 0. Oil sel. 0 Filter screw. Gsket, filter. -_ c O-ring. Wsher. Oil filter screen. Pipe plug (/" NPT steel). Crnkcse. 00-0NC0A Bolt (/ - x " hex hed Gr. ). Access cover NC0E Screw (/ - 0 x /"). Gsket (ccess cover). -X Closure cp ssemly. 00-0NC00A Bolt (/ - 0 x /" hex hed). Closure cp. Closure ody. -_ c O-ring. 0 Relief vlve djusting screw. -0_ c O-ring. Adjusting screw locknut 0. Relief vlve spring. Relief vlve ll. -X Oil filter dpter ssemly (w/pin). -_ c O-ring. -X Oil pump ssemly. Spring guide. Oil pump spring Prt Description. Pump shft dpter. -_ c O-ring. 0-X Pump shft ushing 0. Pipe plug (/ NPT fl. sel). Bering cup. 0 Oil pressure guge. Bushing (/ x / NPT). 0- Bering crrier. Pipe plug (/ NPT fl. sel). Bering crrier gsket. -X Air relese vlve ssemly. 0 Pipe plug (/ NPT fl. sel). Filter 0. Pump cover pin (included w/-x). 0-X Bering crrier ssemly. Oil filter dpter. Pipe plug (/" x NPTF x /") Assemly Numer Assemly Nme -X Crnkcse ssemly (M,,, ) without lurictor -X Crnkcse ssemly (M, ) without lurictor -X Crnkcse ssemly (L,,, ) with lurictor -X Crnkcse ssemly (L, ) with lurictor A Bun-N B Neoprene D Viton E PTFE K Klrez Must e reored nd honed fter replcing (0."/0." dimeter) Cution: To void dmge during ssemly, refer to instlltion Instruction Mnul IE00. c _ denotes O-ring code. See O-ring chrt ove for detils. d Registered trdemrk of the DuPont compny. CAUTION: Alwys relieve pressure in the unit efore ttempting ny repirs.

17 Appendix E Flywheel Assemly Detils Bck Side Front Side Flywheel Assemly Bill of Mterils Assemly Numer Assemly Nme -X Flywheel ssemly (flywheel, hu, nd three olts) Flywheel:." O.D., groove H J-. Hu with three olts nd lockwshers 0

Appendix E Head and Valve Assembly Details All D-Style Models 351

Appendix E Head and Valve Assembly Details All D-Style Models 351 Appendix E Hed nd Vlve Assemly Detils All D-Style Models FD Hed Vlve Holddown Assemlies Suction (spec P) 0 0 Suction (spec P) 0 0 Dischrge (ll specs) 0 WFD Hed Appendix E Hed nd Vlve Assemly Detils All