Parts Information - Eaton

1 Eaton Medium Duty Piston PumpModel 70160 Variable Displacement Piston Pump20,3 cm3/r [ in3/r] or 23,6 cm3/r [ in3/r] DisplacementsManual Controlledv-02 Parts Information2 Model 701603 Model 70160 Tools Required1/2, 9/16, 7/8 & 1-1/8 in. sockets and/or end wrenchesTorque wrench (136 [100 ] capacity)Ratchet wrench5/16 in. and 7/16 Allen wrenches or bit socketsInternal and external retaining ring pliersSmall screwdrivers (2)Hammer (soft face)Light Petroleum JellySeal driver or similar toolSingle Pump - Product Number:7 0 1 6 0 - R A A - 02 Tandem Pumps - Product Number:7 8 1 6 3 - R A B - 02 Serial Number Code:A 98 01 31 JBTester's InitialsDay of Month (two digits)Month (two digits)Revision level of Parts two digits of year built.

2 ( 98 for 1998 etc.)Identification Numbers - Manually Variable Displacement Piston PumpStamped on each unit's mounting - Product Number Description70160 = Single Piston Pump78162 = Single Piston Pump with Gear Pump78161 = Tandem Piston Pumps78163 = Tandem Piston Pumps with Gear PumpB - Sequential NumberingC - Engineering Design CodeAABBEach order must include the following Product and/or part Number2. Serial Number Code3. part Name4. QuantityCC4 Model 70160 Parts DrawingPump drawn below is typical of a right hand Fit6541 Shaft assembly for rear pump of assembly for single pump or front pump of Press Fit2317171435050-15122 Press Fit22 Press Fit51-11314403941 Port(D2)Port(D1)39 Press Fit into Cover plate5 Model 7016022-12-226262120181919-11919-1182727 28283737(K4-4)2-12-226262120181919-11919 -118227A27B28A55-14955-255-355-449-15555 -537353655-15555-255-355-455-54949-13434 -132(K2-1)K2-2K2-332(K3-1)31(K3-2)33(K3- 3)K3K232(K4-1)K4-2K4-3K4K1-132(K2-2)K2-3 K2-4K14646 Parts Drawing6 Model 70160 Item02 part 1 Drive Shaft (Identification drawing on page #8)

3 2 1 Endcover Assembly (Identification drawing and Parts list on page #9)3 1 Housing Assembly (Identification drawing on page #10)3-116238-116161 Bearing (Press Fit)470111-6921 Rotating Kit Assembly ( Parts list on page #10)51 Swashplate, 20,3 cm3/r [ in3/r] Displacement70160-623 Square Arm70160-617 Tapered Arm51 Swashplate, 23,6 cm3/r [ in3/r] Displacement70160-620 Square Arm70160-618 Tapered Arm616048-3121 Washer+ 716077-261 Retaining Ring+ 816078-162 Retaining Ring916241-16251 Thrust Bearing1016241-C16252 Bearing Race+ 1116253-161 Shaft Seal, Drive1116253-2161 Viton Shaft Seal, Drive1170102-6361 Spacer+ 1270111-7011 Housing Gasket1370160-5041 Swashplate Insert14106013-0386 Washer+ 1616253-2141 Shaft Seal, Trunnion1716136-6106 Screw, Cap1817086-0172 Spring1932060-82 Plug Assembly+ 19-116015-18-902O-ring, 2,38 mm Dia.

4 X 22,23 mm ID. [.0937 in. Dia. x .875 in. ID.]20 1 Relief Valve for Port "C" (Identification drawing on page #11)21 1 Relief Valve for Port "D" (Identification drawing on page #11)2216320-1172 Cone Bearing2370160-5081 Cover Plate2470160-5101 Cover Plate2616028-3042 Dowel Pin2716136-5202 Cap Screws, 5/16-18, 50,8 mm [2 in.] Long27A16136-5322 Cap Screws, 5/16-18, 82,6 mm [ in.] Long27B16136-5342 Cap Screws, 5/16-18, 88,9 mm [ in.] Long2816136-5242 Cap Screws, 5/16-18, 63,5 mm [ in.] Long28A16136-5362 Cap Screws, 5/16-18, 95,3 mm [ in.] Long28B16136-5402 Cap Screws, 5/16-18, 101,6 mm [ in.] Long291 Key, Drive Shaft24500-619 Used with 7/8 in.

5 Dia. drive , Tapered Arm3170142-6001 Cover Plate (In K3 kit)+ 3216007-141O-ring (In K1, K2, K3, & K4 kit)3316036-6102 Cap Screws, Cover Plate (In K3 kit)3416103-1081 Plug Assembly+ 34-116133-81O-ring, 2,21 mm Dia. x 16,36 mm ID. [.087 in. Dia. x .644 in. ID.]+ 3570111-7031 Molded O-ring36 1 Charge Pump Adaptor (Identification drawing and Parts list on page #12 & #13)371 Gerotor set and coupler sub-assembly70111-6426,9 cm3/r [.42 in3/r] displacement, 6,35 mm [.25 in ] width70111-64613,8 cm3/r [.84 in3/r] displacement, 12,7 mm [.5 in] widthParts ListParts listed below are to service catalog units. Other variations of units are built that have Parts altered for special non-catalog units can be serviced with the Parts list below using caution for proper identification.

6 Contact an Eatonrepresentative with any questions concerning your selection. Have your final assembly number ready when 70160 Parts List3770111-66719 tooth coupler (In Kit 4)3770111-687111 tooth coupler (In Kit 5)3916321-1172 Cup, Bearing40N/S1 Ring, Crush (Shim kit must be ordered to replace crush ring).4116015-462O-ring, mm Dia. x mm [.0937 in. Dia. x in. ]42106013-0314 Washer4670111-6321 Mounting Bracket, Square shaped4670111-7091 Mounting Bracket, "V" shaped48 1 Valve Plate (Identification drawing on page #11)70113-008 Righthand (CW) Rotation70113-009 Lefthand (CCW) Rotation+ 4916103-1081 Plug Assembly49-116133-81O-ring, 2,21 mm Dia.

7 X 16,36 mm [.087 in. Dia. x .644 in. ]5016103-3081 Plug Assembly+ 50-116133-81O-ring, 2,21 mm Dia. x 16,36 mm [.087 in. Dia. x .644 in. ]5116103-3081 Plug Assembly+ 51-116133-81O-ring, 1,98 mm Dia. x 11,89 mm ID. [.078 in. Dia. x .468 in. ID.]5570300-6101 Bypass Valve sub-assembly+ 55-116078-61 Retaining Ring55-270300-6091 Separator Plug55-370411-5021 Separator+ 55-416003-71O-ring, 1,59 mm Dia. x 9,53 mm [.0625 in. Dia. x .375 in. ]+ 55-516133-81O-ring, 2,21 mm Dia. x 16,36 mm [.087 in. Dia. x .644 in. ]Mounting KitsK170142-9441 Tandem Piston Pump Mounting KitK1-170111-666135T Coupler, 36,8 mm [ in.] longK1-216007-141O-ring, 1,59 mm Dia.

8 X 101,6 mm ID. [.0625 in. Dia. x 4 in. ID.]K1-316136-6132 Cap ScrewsK1-416048-82 WasherK270442-9291 Gear Pump Mounting KitK2-116007-141O-ring, 1,59 mm Dia. x 82,55 mm ID. [.0625 in. Dia. x in. ID.]K2-216048-1132 WasherK2-316136-6122 Cap ScrewsK370142-9151 Cover Plate KitK3-116007-141O-ring, 1,59 mm Dia. x 82,55 mm ID. [.0625 in. Dia. x in. ID.]K3-270142-6001 Cover PlateK3-316136-6102 Cap ScrewsK470144-9031 Gear Pump Mounting Kit with CouplerK4-116007-141O-ring, 1,59 mm Dia. x 101,6 mm ID. [.0625 in. Dia. x 4 in. ID.]K4-216048-1132 WasherK4-316136-6122 Cap ScrewsK4-470111-66719T CouplerSeal Repair Kit70160-9021 Seal Repair Kit for 70160 piston Shaft Shim Kit (to replace crush ring (40) after replacment of cover plate).

9 Legend Refer to specific item Parts list.+Common Parts to seal repair ServiceableItem02 part 70160 Item 1 - Drive Shaft Identification Tandem Front Pump, No GerotorTandem Rear Pump, No GerotorTandem Rear Pump, with Gerotor Single Pump, with GerotorSingle Pump, with Gerotor Single Pump, No Gerotor9 Min. Full Depth35 Min. Full Depth9 Min. Full Depth9 Min. Full Depth9 Min. Full Depth70142-201 [13 Tooth]70142-214 [35 Tooth] .69 Min. Full Depth70142-212 [35 Tooth] .69 Min. Full Depth70142-200 [13 Tooth]70142-203 [7/8 in. Keyed]Single Pump, No Gerotor9 Min. Full Depth9 Min. Full Depth70142-215 [13 Tooth]70142-225 [7/8 in. Keyed] part NumberInput DriveWhere UsedOutput Drive9 Model 701602-32-42-52-62-72-8 Bypass ValveLocation Item 2 -Endcover Assembly IdentificationItem 2 - Parts List (Refer to Identification chart and drawings)Item part chart belowEndcover Assembly2-170420-431 Bearing2-216026-6101 Roll Pin2-316133-61O-ring2-470111-7111 Charge Relief Housing2-570111-5071 Poppet Filter Relief2-617000-48B1 Spring (100-150 PSI)2-716048-2601 Washer2-816077-101 Retaining Ring2-970400-5081 Bleed-off Valve Poppet2-1017023-121 Spring2-1116133-51O-ring2-1270400-5011 CartridgeItem 2 - Endcover Assembly Identification (Refer to drawings above)

10 ChargeBypassCharge ReliefCharge ReliefItem part NumberPumpMain PortValveto CaseSetting bar [PSI]Special Feature2(a)70119-005 YesOpposite Sides*YesNo--------2(b)70117-021 NoOpposite Sides*YesNo--------2(c)70121-022 NoSame Side*YesYes6,89-10,34 Bleed Off & Mounting Holes[100-150]2(d)70117-023 NoOpposite Sides*YesYes6,89-10,34----[100-150]* Port Size: 1 1/16-12 UN-2 BBypass ValveLocation MountingHoles Both SidesBypass ValveLocation 2(a)2-1 Bearing2-2 Roll Pin2(b)2(c)Bypass ValveLocation 2-92-102-112-122(a)Accepts GerotorCharge Pump2(b)Rear "A" Mount,Opposite Side Porting2(c)Rear "A" Mount, Same SidePorting with Mounting Holes2(d)Rear "A" Mount, Opposite SidePorting with Charge Relief10 Model 701604-14-24-34-54-44-64-74-84-94-74 Item 3 - Housing Assembly IdentificationItem 3 -Housing Assembly IdentificationItem part NumberPort Machined370160-307D1 & D23113077-001D1, D2, & D4 DRAIN PORT - D1 (TOP)3/4-16 UNF-2 BSAE O-RING PORTDRAIN PORT - D2 (BOTTOM)