Dynapac CC 102 Workshop
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Dynapac CC 102 Workshop

Dynapac CC 102 Workshop

Hydr propulsion pumps
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See also: Maintenance Manual , Operating Manual
Valid for pump P/No: 35 84 70
Printed in Sweden 95 11
We reserve the right to change specifications without notice.
Workshop
CC 102/102C/122/122C
Hydr Propulsion Pumps
W-1012-2EN
Dynapac Heavy Equipment AB
Box 504 • S-371 23 KARLSKRONA • SWEDEN
Telephone
+46 455-627 00
Telefax
+46 455-627 30
Telex
43041 dynkar s

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Summary of Contents for Dynapac CC 102

  • Page 1 Valid for pump P/No: 35 84 70 Workshop CC 102/102C/122/122C Hydr Propulsion Pumps W-1012-2EN Dynapac Heavy Equipment AB Printed in Sweden 95 11 Box 504 • S-371 23 KARLSKRONA • SWEDEN We reserve the right to change specifications without notice. Telephone...
  • Page 2 P/N 35 84 70 Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...

  • Page 3: Table Of Contents

    Adjustment instructions - Hydraulic "zero position" ............39 Adjustment instructions - High pressure valve ............40 Adjustment instructions - Low pressure valve (Charge pressure) ........ 41 Notes ..................................................................................................................................................................................................................................................................................W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...

  • Page 4: Safety Regulations

    · Before entering the driver's cab, check if persons or obstacles are in the way of or underneath the machine. · Be careful when entering the driver's cab, use the steps. · Adjust your seat before starting. Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...
  • Page 5 7. Check flexible hydraulic hoses regularly and replace them in case of damage or wear! The new hose or pipe must comply with the technical requirements of the ma- chine manufacturer! Orderly disposal or recycling of oil, fuel and filters! W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...

  • Page 6: General Dismantling

    For example: Scored sliding surfaces, - contaminated operating fluid heavy abrasion Discoloration of components - overheating of operating fluid, with heavy loading incorrect choice of viscosity or inadequate specifications of operating fluid - insufficient oil Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...

  • Page 7: General Reassembly

    When carrying out dismantling/reassemble instructions refer to the appropriate drawings. Important On completion of repair, close all openings with plugs. Should difficulties arise, please contact our nearest service centre. W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 8 Sealing of the P/N 35 84 70 drive shaft Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...

  • Page 9: Sealing Of The Drive Shaft

    Loosen retating ring and remove it. Press-off the front cover. 3. Inspect: 1.Groove 2.Bore 3.Shaft 4.O-ring Press in new shaft seal into correct position with a suitable bush. Assemble in reversed order. Check correct seat of the circlip. W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...

  • Page 10: Sealing Of The High Pressure Valve

    Sealing of the high P/N 35 84 70 pressure valve HD Remove valve completely (1). Control: O-ring, housing. Replacement of the tightening nut, record measure. Attention! Check valve setting after installation. Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...
  • Page 11 Sealing of the charge P/N 35 84 70 pressure valve Remove valve completely. Attention! Check valve setting after installation! W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 12 Sealing of the P/N 35 84 70 control device Attention! Check correct hydraulic zero position! Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...

  • Page 13: Sealing Of The Control Device

    P/N 35 84 70 Sealing of the control device 1. Remove pipe. Remove fixing screws. Lever of control device. 2. Check: 1.Sealing face 2.Gasket 3.Outlet orifice W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 14 Control device HW P/N 35 84 70 Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...
  • Page 15 Dismantling of P/N 35 84 70 the pump W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 16 Dismantling of P/N 35 84 70 the pump 1. Remove pipe and control module. 2. Remove brake valve. Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...

  • Page 17: Dismantling The Pump

    Dismantling of P/N 35 84 70 the pump Pos.1 Brakevalve Brake valve Pos.2 W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 18 Dismantling of P/N 35 84 70 the pump Pos. 1 Orifice Pos. 2 Ball with spring Pos.1 Pos.2 Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...
  • Page 19 P/N 35 84 70 Dismantling of the pump Chargepump assembly Chargepump assembly W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 20 Dismantling of P/N 35 84 70 the pump 4. Mark the pump and remove gear pump. 5. Remove gear set. Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...
  • Page 21 P/N 35 84 70 Dismantling of the pump W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 22 Dismantling of P/N 35 84 70 the pump 6. Check: Throttle valve 7. Unscrew locking screws. 8. Remove control module. Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...
  • Page 23 P/N 35 84 70 Dismantling of the pump Mark cover. Record measure of the adjustment screw. Loosen locknut, hold adjustment screw. 10. Unscrew locking screws. Remove O-ring 11. Pull out control piston. W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 24 Dismantling of P/N 35 84 70 the pump Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...
  • Page 25 Lift port plate. If necessary use screw- driver, but only in this position in the corners. (Opposite sides: sealing surfaces) 13. Lever off control plate - note positions of locating pin and hole drilling. 14. Remove joint pins. W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 26 Dismantling of P/N 35 84 70 the pump Remove rotary group. Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...
  • Page 27 P/N 35 84 70 Dismantling of the pump 15. Remove cover ring. 16. Remove drive shaft with slight hammer strokes. 17. Remove cradle with bearing cups. W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 28 Sliding surface (1) free of scoring. Make sure sliding ring/swivel pin (2) are free of pay. 5. Check: That return device is free of scoring (1), no wear in slipper pad area. (Otherwise: replace both parts together). Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...

  • Page 29: Inspection Notes

    (2). (Replace ONLY in sets). 9. Check: Fit control piston and swash plate. Pin bearing (1), groove in control piston (2). 10. Check: That the control piston guide is not scored. W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 30 3. Rubber ring. 4. Insert completely swivel cradle into the housing. Pay attention for correct seat of the swivel cradle in the housing. 5. Remove rubber ring. Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...

  • Page 31: Pump Assembly

    P/N 35 84 70 Pump assembly 6. Assemble articulating pin. 7. Assemble device for fixation of the swivel cradle. 8. Assemble drive shaft with bearings and radial seal rings. W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 32 P/N 35 84 70 Pump assembly Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...
  • Page 33 Pump assembly P/N 35 84 70 9. Assemble piston with retaining plate. Note: Oil piston and piston pad. 10. Assemble cylinder completely. 11. Remove assembly device. W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 34 14. Place control plate with grease. Control plate, clockwise - located in direction of rotation. Web of the port plate visible. As in above. Attention! Noise notches are ground in required direction of rotation. Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...
  • Page 35 P/N 35 84 70 Pump assembly 15. Place in correct position. 16. Insert positioning piston into the housing. Note: Oil positioning piston before assembly. 17. Insert O-rings with grease. W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 36 Pump assembly P/N 35 84 70 18. Assemble control module. Assembly assistance: Turn at zero position. 19. Fit charge pump. 20. Assemble pressure charge valve. 21. Assemble control module with pipe. Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...

  • Page 37: Tightening Torques

    8.8 cross-slotted lens head screws DIN and with metric ISO-standard thread. 7985 of the strength class 8.8 and with metric ISO-standard thread. M 10 M 12 M 14 M 16 W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...

  • Page 38: Adjustment Instructions Mechanical "Zero Position

    M Adjust zero position so that at blocked drive both manometer indicate the same pressure valve. Note: Death line of zero position. Swiveled out to the right - swiveled out to the left. Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...

  • Page 39: Adjustment Instructions Hydraulic "Zero Position

    Attention! Observe safety regulations! Connect manometer to X and X Adjust zero position so that at blocked drive both manometer indicate the same pressure value. Note: Eccentric adjusting - Do not turn over ±90°. W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...
  • Page 40 Readjusting only at operating temperature. Connect manometer to M and M HP-valves: Operate valves with small pump flow volume. Check setting value. ("Temperature" only for short time) Change "setting value" - check. Note: Adjusting data according to order. Hydr Propulsion Pumps CC 102/102C/122/122C W-1012-2EN...

  • Page 41: Adjustment Instructions Low Pressure Valve (Charge Pressure)

    Readjusting only at operating temperature. Connect manometer to "G". Attention! Charge pressure setting! Nominal pressure p - 18 bar Peak pressure p - 40 bar at max. speed. Note: Adjusting data according to order. W-1012-2EN Hydr Propulsion Pumps CC 102/102C/122/122C...

This manual is also suitable for:

Cc 102cCc 122Cc 122c

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