Eaton 26 Series, Repair Information

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Series 26 - Model 26000 Multiple Gear Pump
Specific Backplate Parts List
Item
No. Description Qty.
2 Relief Valve Backplate 1
18 O-ring 3
19A Relief Valve Assembly 1
19A1 Relief Valve 1
~ 19A2 O-ring 1
~ 19A3 Backup Ring 1
~ 19A4 O-ring 1
19B Plug Assembly 1
19B1 Plug 1
Item
No. Description Qty.
2C Flow Divider Backplate 1
19A Relief Valve Assembly 1
19A1 Relief Valve 1
~ 19A2 O-ring 1
~ 19A3 Backup Ring 1
~ 19A4 O-ring 1
19B Plug Assembly 1
19B1 Plug 1
20 Flow Divider Spool 1
21 Plug/O-ring Assembly 1
21A Plug 1
~ 21B O-ring 2
22 Plug/O-ring Assembly 1
22A Plug 1
23 Spring 1
24 Shim (.0239 inch thick) A/R
A/R – As Required
3 Remove flow divider plugs, shims, spring, and spool from
backplate. (Notice orientation of spool with cavity in backplate)
4 Install new plug seals on plugs. Install spool, spring,
shims, and plug assemblies into backplate. Torque plugs 29 to
33 N•m [21 to 24 lbf•ft]
21B
22A
22
2C
20
23
24
19A4
21A
21
19A3
19A2
19B1
19B
21B
19A4
19A2
19A3
19A1
19A
Flow Divider Backplate
Disasembly and Reassembly
1 After removing relief valve or plug, remove and replace o-
ring and backup ring with new parts.
2 Install relief valve or plug and torque 41 to 46 N•m [30 to
34 lbf•ft]
19A4
19A2
19A3
19A1
19A
2B
Relief Valve Backplate
Disasembly and Reassembly
1 After removing
relief valve, remove and replace o-rings
and backup ring with new parts.
2 Install relief valve and torque 41 to 46 N•m [30 to 34 lbf•ft]