Eaton. Parts Information. Model and 70344, 40.6 cm 3 /r [2.48 in 3 /r] Displacement Manually Variable Displacement Piston Pump

Transcription

1 Eaton Medium Duty Piston Pump No Revised February, 1993 Parts Information Model and 70344, 40.6 cm 3 /r [2.48 in 3 /r] Displacement Manually Variable Displacement Piston Pump

2 Parts Drawing Pump drawn below is typical of a righthand rotation pump Date Code and Assembly Number Location Shaft assembly for single pump or front pump of tandem Shaft assembly for rear pump of tandem. 2

3 Parts Drawing Assembly for single pump or front pump of tandem. (70344) 25-3a "C" K1 K1-1 K1-2 K1-3 Valve Plate Identification "D" 23 Note "V" notch locations Lefthand Rotation Righthand Rotation Used in place of Auxiliary pump. 33 (K3-1) 36 (K3-2) K3 43 (K3-3) Assembly for single pump or rear pump of tandem. (70342) b "C" K2 K2-3 K2-2 K "D"

4 Parts List Item Part No. Qty. Description O-ring, 2.38 mm Dia. x 36.5 mm I.D. [.0937 in. Dia. x in. I.D.] Dowel Pin Washer Retaining Ring Retaining Ring Screw Spring Plug Assembly O-ring, 2.38 mm Dia. x mm I.D. [.0937 in. Dia. x.875 in. I.D.] Rotating Kit Assembly (parts list on page #6) Seal Cover Trunnion Cover O-ring Cover Inner Race Needle Bearing Housing Gasket Thrust Race Needle Thrust Bearing 18 2 Cap Screws (Locations on page #6) /8-16, 57.2 mm [2.25 in.] Long /8-16,101.6 mm [4.0 in.] Long 19 2 Cap Screws (Locations on page #6) /8-16, 38.1 mm [1.5 in.] Long /8-16, 50.8 mm [2.0 in.] Long /8-16, 88.9 mm [3.5 in.] Long Shaft Seal, Drive Viton Shaft Seal, Drive Spacer (Used in rear pump of tandem in place of drive shaft seal.) Shaft Seal, Trunnion Viton Shaft Seal, Trunnion 22 1 Relief Valve for "C" (Identification drawing on page #7) 23 1 Relief Valve for "D" (Identification drawing on page #7) 24 1 Housing Assembly (Identification drawing on page #7) Bearing (press fit) 25 1 Backplate Assembly (Identification drawing and parts list on page #8 & #9) 26 1 Valve Plate (Identification drawing on page #3) Righthand (CW) Rotation Lefthand (CCW) Rotation 27 1 Drive Shaft (Identification drawing on page #12) 28 1 Camplate Key groove in trunnion Cross hole in trunnion 29 1 Charge Pump Adaptor (Identification drawing and parts list on page #10 & #11) 30 1 Inner Gerotor cm 3 /r [.42 in 3 /r] displacement, 6.35 mm [.25 in ] width cm 3 /r [.84 in 3 /r] displacement, 12.7 mm [.5 in] width 31 1 Outer Gerotor cm 3 /r [.42 in 3 /r] displacement, 6.35 mm [.25 in ] width cm 3 /r [.84 in 3 /r] displacement, 12.7 mm [.5 in] width 32 1 Key, Drive Shaft Used with 25.4 mm[1.00 in] dia. drive shaft Used with 22.2 mm [.875 in] dia. drive shaft O-ring (In K2 & K3 kit) Mounting Bracket Cover Plate (In K3 kit) 4

5 Parts List Plug Assembly O-ring, 2.21 mm Dia. x mm ID. [.087 in. Dia. x.644 in. ID.] Key, Gerotor Pump Adapter +n Molded O-ring Washer Washer Key, Camplate Trunnion Cap Screws, Cover Plate (In K3 kit) Plug Assembly O-ring, 1.98 mm Dia. x mm ID. [.078 in. Dia. x.468 in. ID.] Plug Assembly O-ring, 1.98 mm Dia. x mm ID. [.078 in. Dia. x.468 in. ID.] Mounting Kits K Tandem Piston Pump Mounting Kit K T Coupler, mm [1.3 in.] long K O-ring, 1.59 mm Dia. x mm ID. [.0625 in. Dia. x 4 in. ID.] K Cap Screws K Gear Pump Mounting Kit K O-ring, 1.59 mm Dia. x mm ID. [.0625 in. Dia. x 3.25 in. ID.] K Washer K Cap Screws K Cover Plate Kit K O-ring, 1.59 mm Dia. x mm ID. [.0625 in. Dia. x 3.25 in. ID.] K Cover Plate K Cap Screws Seal Repair Kits Seal Repair Kit for piston pump Seal Repair Kit for piston pump (Shaft seal not included) Seal Repair Kit for piston pump (Includes dump valve seals) Seal Repair Kit for piston pump (Shaft seal not included) Seal Repair Kit for piston pump. Legend Refer to specific item parts list. + Common parts to seal repair kits listed. +o Parts included in the and along with common parts. +n Parts included in the , , and along with common parts. 5

6 Item 9 - Rotating Kit Assembly Item 18 and 19 - Cap Screw Locations Item 9 Rotating Kit Assembly 9-1 Item Part No. Qty. Description Rotating Kit Assy. 9-1 NSS 9 Piston Assembly 9-2 NSS 1 Spider 9-3 NSS 1 Spider Pivot 9-4 NSS 1 Retainer 9-5 NSS 1 Piston Block 9-6 NSS 3 Pins 9-7 NSS 2 Washer 9-8 NSS 1 Spring 9-9 NSS 1 Retaining Ring NSS - Not Sold Separately Item 18 and 19 Cap Screw Locations Rear "A" Flange, without Gerotor, Opposite Side ing Rear "A" Flange, with Gerotor, Opposite Side ing Rear "B" Flange, without Gerotor, Opposite Side ing Rear "A" Flange, without Gerotor, Same Side ing 6

7 Item 22 or 23 - Relief Valve Item 24 - Housing Identification Item 22 or 23 Internal Relief Valve Settings Available Part Number bar [lbf/in 2 ] LA 138 [2000] QA 172 [2500] UA 207 [3000] WA 241 [3500] ZA 276 [4000] XA 310 [4500] IA 345 [5000] Seat, Valve LA 2000 Assembly Number and Pressure Setting Item 24 Housing Identification Item Part No. Machined A, C None E C A B, C D B C, D A, B A, B, C "A" Drain "C" Drain "D" Drain "E" Drain Drain Sizes: Drain A, B, D, and E are 9/16-18 SAE Str. Thd. Thru Drain C is 9.55[.376] dia. "B" Drain 7

8 Item 25 - Backplate Assembly Identification Item 25 - Parts List (Refer to Identification chart and drawings) Item 25 Backplate Assembly Identification (Refer to drawings on page #9) Assembly Aux. "A" Aux. "B" Aux. "A" Aux. "B" Aux. Bleed-off Bleed-off Description Part Number Machined Plug Plug Dump Valve Dump Valve Valve Left Valve Right 25(a) - Accepts Gerotor Charge Pump A Item 25-3a A Item (b) - Rear "A" Mount, Opposite Side ing A A, B Item (c) - Rear "A" Mount, Same Side ing A, B Item 25-3a A, B Item 25-3b A, B Item 25-3b 25(d) - Rear "B" Mount, Opposite Side ing A A, B Item A, B Item 25-3a A Yes Yes 25(e) - Rear "B" Mount, Same Side ing A, B Item 25-3a A, B Item 25-3a A, B Item 25-3b Yes 8 Item Part No. Qty. Description 25 See Chart Below Backplate Assembly Bearing Dowel Pin Dump Valve Assembly +o Retaining Ring Separator Plug O-ring, 2.38 mm Dia. x mm I.D. [.0937 in. Dia. x.6406 in. I.D. ] Speader +o O-ring, 1.59 mm Dia. x 9.53 mm I.D. [.0625 in. Dia. x.375 in. I.D. 25-3a Plug Assembly, Hex O-ring, 2.38 mm Dia. x mm I.D. [.0937 in. Dia. x.6406 in. I.D. ] 25-3b Plug Assembly, Internal Hex Socket O-ring, 2.38 mm Dia. x mm I.D. [.0937 in. Dia. x.6406 in. I.D. ] or2 Cartridge, Bleed-off or2 O-ring, 1.83 mm Dia. x 10.5 mm I.D. [.072 in. Dia..414 in. I.D.] or2 Spring or2 Poppet, Bleed-off Valve Legend + Common parts to seal repair kits listed. +o Parts included in the and along with common parts.

9 Item 25 - Backplate Assembly Identification 25(a) Accepts Gerotor Charge Pump 25-3b (a) 25-3a "A" Rightside 25-7 Bleed-off Valve Location Leftside b 25-3a b 25-3a (b) 25(b) Rear "A" Mount, Opposite Side ing 25-1 "A" "B" 25(c) 25-1 "A" "B" 25(c) Rear "A" Mount, Same Side ing b 25-3a "B" 25-3b 25-3a 25-3 "A" 25(d) 25-3b 25-3a "B" 25-3b 25-3a 25-3 "A" 25(e) Rear "B" Mount, Same Side ing 25(e) 25(d) Rear "B" Mount, Opposite Side ing

10 Item 29 - Charge Pump Adapter Assembly Identification Righthand Rotation 29-4a 29-3a or 3b 29-2a Configuration for 13.8 to 17.2 bar [200 to 250 lbf/in 2 ] or 17.2 to 20.7 bar [250 to 300 lbf/in 2 ] Charge Relief Valve Configuration for 6.9 to 1.3 bar [100 to 150 lbf/in 2 ] Charge Relief Valve Charge Pump Suction Gerotor Ring Pocket (See chart for depth) Pressure Check or Remote Charge 29-1 Bearing 29 Lefthand Rotation Configuration for 13.8 to 17.2 bar [200 to 250 lbf/in 2 ] or 17.2 to 20.7 bar [250 to 300 lbf/in 2 ] Charge Relief Valve 29-4a 29-3a or 3b 29-2a Gerotor Pocket Depth Displacement cm 3 /r [in 3 /r] Depth of Pocket mm [in.] 6.9 [.42] 6.35 [.25] 13.8 [.84] 12.7 [.50] Pressure Check or Remote Charge 29-1 Bearing Configuration for Charge Pump Suction 6.9 to 1.3 bar [100 to 150 lbf/in 2 ] Charge Relief Valve 29 Gerotor Ring Pocket (See chart for depth) 10

11 Item 29 - Charge Pump Adapter Assembly No Charge Relief Item Part No. Qty. Description Rotation Displacement Assembly, Charge Pump Adapter Righthand 13.8 cm 3 /r [.84 in 3 /r] Bearing (press fit) 6.9 to 1.3 bar [100 to 150 lbf/in 2 ] Charge Relief Setting Item Part No. Qty. Description Rotation Displacement Assembly, Charge Pump Adapter Righthand 6.88 cm 3 /r [.42 in 3 /r] Assembly, Charge Pump Adapter Lefthand 13.8 cm 3 /r [.84 in 3 /r] Assembly, Charge Pump Adapter Righthand 13.8 cm 3 /r [.84 in 3 /r] Assembly, Charge Pump Adapter Lefthand 6.88 cm 3 /r [.42 in 3 /r] Bearing (press fit) Poppet, Cup B 1 Spring, Tapered Spring Retainer 13.8 to 17.2 bar [200 to 250 lbf/in 2 ] Charge Relief Setting Item Part No. Qty. Description Rotation Displacement Assembly, Charge Pump Adapter Lefthand 6.88 cm 3 /r [.42 in 3 /r] Assembly, Charge Pump Adapter Righthand 6.88 cm 3 /r [.42 in 3 /r] Assembly, Charge Pump Adapter Righthand 13.8 cm 3 /r [.84 in 3 /r] Bearing (press fit) 29-2a Poppet, Pin 29-3a Spring, Color "Light Green" 29-4a Spring Retainer 17.2 to 20.7 bar [250 to 300 lbf/in 2 ] Charge Relief Setting Item Part No. Qty. Description Rotation Displacement Assembly, Charge Pump Adapter Righthand 6.88 cm 3 /r [.42 in 3 /r] Assembly, Charge Pump Adapter Righthand 13.8 cm 3 /r [.84 in 3 /r] Bearing (press fit) 29-2a Poppet, Pin 29-3b Spring, Color "Pink" 29-4a Spring Retainer 11

12 Item 27 - Drive Shaft Identification Part Number Input Drive Where Used Output Drive 9 Tooth Internal [15 Tooth] or [13 Tooth] [15 Tooth] or [13 Tooth] [1 in. Keyed] or [7/8 in. Keyed] [Tapered] [15 Tooth] [Tapered] [41 Tooth] [41 Tooth] Single Pump Single Pump Single Pump Single Pump Tandem Front Pump Tandem Front Pump Tandem Middle Pump Tandem Rear Pump Tandem Rear Pump 9 Tooth Internal 41 Tooth 41 Tooth 41 Tooth 9 Tooth Internal 9 Tooth Internal 9 Tooth Internal 9 Tooth Internal [41 Tooth] 12

13 Product Number - Parts List for Single Pumps This list of product numbers is to aid in Item identification. If your product number is not listed contact your Eaton representitive. Description Relief Relief Housing Backplate Drive Adapter Inner Outer Cap Screw Cap Screw Shaft Seal Valve "C" Valve "D" Assembly Assembly Shaft Camplate Assembly Gerotor Gerotor Item #18 #19 #20 #22 #23 #24 #25 #27 #28 #29 #30 #31 Seal Repair Kit Single Pump with Lefthand Rotation (CCW) Product Number LAA IA IA LAB IA IA LAF IA IA LAJ IA IA LAK IA IA LAL IA IA LAM IA IA LAN IA IA LAW LBJ IA IA LBL IA IA LBQ LA LA LBR WA WA Single Pump with Righthand Rotation (CW) Product Number RAA IA IA RAJ IA IA RAM IA IA RAQ IA IA RAR IA IA RAS IA IA RAT IA IA RAU IA IA RAX IA IA RAY WA WA RAZ IA IA RBN IA IA RBP IA IA RBV ZA ZA RBW WA LA RCA ZA ZA RCB UA UA RCC IA IA RCD UA UA RCH UA UA RCJ WA WA RCK SA SA RBR IA IA RCQ IA IA

14 Product Number - Parts List for Tandem Front Pump This list of product numbers is to aid in Item identification. If your product number is not listed contact your Eaton representitive. Description Relief Relief Housing Backplate Drive Cap Screw Cap Screw Shaft Seal Valve "C" Valve "D" Assembly Assembly Shaft Camplate Item #18 #19 #20 #22 #23 #24 #25 #27 #28 Seal Repair Kit Tandem Front Pump with Lefthand Rotation (CCW) Product Number LAM LAP UA UA LAR WA WA LAS ZA ZA LAT UA UA LAU XA XA LAV ZA ZA LBB IA IA LBC IA IA LBD IA IA Tandem Front Pump with Righthand Rotation (CW) Product Number RAE UA RAG WA RAL UA UA RAQ WA WA RBA IA IA RBG IA IA RBL XA RBM XA XA RBN UA UA RBP ZA ZA RBQ XA XA RBZ WA WA RCA ZA ZA RCB UA UA RCC XA XA RCD ZA ZA RCE WA WA RCG IA IA RCK IA IA RCM IA IA RCN IA IA RCP IA IA RCS ZA ZA

15 Product Number - Parts List for Tandem Rear Pump This list of product numbers is to aid in Item identification. If your product number is not listed contact your Eaton representitive. Description Relief Relief Housing Backplate Drive Adapter Inner Outer Cap Screw Cap Screw Spacer Valve "C" Valve "D" Assembly Assembly Shaft Camplate Assembly Gerotor Gerotor Item #18 #19 #20 #22 #23 #24 #25 #27 #28 #29 #30 #31 Seal Repair Kit Tandem Rear Pump with Lefthand Rotation (CCW) Product Number LAH IA IA LAQ IA IA LBG WA WA Tandem Rear Pump with Righthand Rotation (CW) Product Number RAN IA IA RAW IA IA RBD ZA ZA RBF XA RBJ UA UA RBL XA XA RBQ IA IA RBS UA UA RBT XA XA RBU ZA ZA RCE ZA ZA RAF UA RAH WA RAM UA UA RAR WA RBB IA IA RBU XA XA RCF WA

16 Each order must include the following information. 1. Product and/or Part Number 2. Serial Number Code 3. Part Name 4. Quantity Identification Numbers - Manually Variable Displacement Piston Pump Stamped on each units mounting flange. A - Product Number Description = Single Piston Pump with Gerotor = Single Piston Pump without Gerotor = Tandem Piston Pumps with Gerotor = Tandem Piston Pumps without Gerotor B - Sequential Numbering Single Pump - Product Number: R A A A Tandem Pumps - Product Number: R A B B A B Revision level of parts list. Last two digits of year built. ( 91 for 1991 etc.) Serial Number Code: B JB Testers Initials Day of Month (two digits) Month (two digits) Eaton Corporation Hydraulics Division Hwy. 5 Eden Prairie, MN Telephone 612/ Fax 612/ Eaton Ltd. Hydraulics Division Glenrothes, Fife Scotland, KY7 4NW Telephone Fax Eaton GmbH Hydraulics Products Am Schimmersfeld Ratingen, Germany Telephone Fax ACCREDITED BY THE DUTCH COUNCIL FOR CERTIFICATION Reg. No. 24 ISO-9001 CERTIFICATED FIRM DET NORSKE VERITAS INDUSTRY BV, THE NETHERLANDS Quality System Certified Products in this catalog are manufactured in an ISO-9001-certified site. Form No July, 1991 Copyright Eaton Corporation, 1993 All Rights Reserved Printed in USA 16