These diagrams and charts show the charge pump, relief valve, trunnion shaft seal and so much more.

To do minor repairs

Charge Pump A

NO. Description of Part QTY 1 screw hex head 2 2 bearing – needle 2 3 seal – lip 2 4 nut – hex 2 5 housing – charge pump 1 6 charge pump – gerotor 2 7 stud 2 8 oring 2 22 pin drive 2 44 housing – charge pump 1 45 screw – soc. hd. 4

Trunnion Shaft Seals G 14 ring – retaining 4 16 washer 4 17 seal – lip 4

Charge Pump Valve H 37 plug -hex head 2 38 oring 2 39 shims A/R 40 spring 2 41 ball 2

Implement Relief Valve C 9 cone 2 10 spring 2 11 shims A/R 12 oring 2 13 plug – hex head 2

Circuits

On these pumps you have two variable displacements that operate an ordinary shaft. Every single pump is made to be intertwined in a closed loop to a fixed displacement motor. Every pump works on it’s own (not the shaft) and has singular circuits, which are: charge pump, charge check valves, charge relief valve and implement relief valve.

If you need further info on this unit call us at 800-361-0068

sales@htsrepair.com