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Service Information Document Title: Function Group: Information Type: Date: Track motor relief valve, Service Information 2014/6/12 replacing Profile: EXC, EC210B LC [GB] Track motor relief valve, replacing Op nbr 441-112 091 Service positions 1. Park the machine in the service position F, see 2.
Service Information Document Title: Function Group: Information Type: Date: Track motor, disassembly Service Information 2014/6/12 Profile: EXC, EC210B LC [GB] Track motor, disassembly Op nbr Precautions Thoroughly clean the gearbox assembly prior to disassembly. Select a clean work area. ...
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Figure 2 Relief valve, removal 3. Remove screws (243). Figure 3 Screws, removal 4. Remove rear flange (201) from spindle (302). NOTE! Take care not to remove shaft (2).
Figure 4 Rear flange, removal 5. Gearbox/hydraulic motor shaft and oil seal. Remove valve plate (9), parallel pin (241), brake springs (13) and bearing (50) from rear flange (201) and hydraulic motor. Remove O-rings (329) from spindle (302). NOTE! Do not reuse O-rings (329) after removal.
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Figure 6 Counterbalance spool, removal Remove springs (228), the stoppers (225), and counterbalance spool (223) from rear flange (201). NOTE! Be careful not to damage the outer surface of counterbalance spool (223) and the sliding surface of rear flange (201). Since rear flange (201) and counterbalance spool (223) are of the selective-fitting type, replace them together as a kit even if only one of the two parts is damaged.
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Figure 9 Check valve, removal NOTE! Be careful not to damage the seat sections of check valve (227) or rear flange (201). Remove O-ring (237) from plug (226). NOTE! Do not reuse O-ring (237) after removal. 8. Two-speed valve removal. ...
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Plug, removal Remove plug (280) from flange (201). Figure 13 Piston, removal Remove O-ring (296) from plug (280). Remove piston (281) from rear flange (201). NOTE! Take care not to damage the piston hole. NOTE! Since rear flange (201) and piston (281) are of the selective fitting type, replace them together as a kit. ...
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Figure 16 Plug, removal Remove plug (104) and remove sleeve (102). NOTE! Do not interchange the parts of the two relief valves. Remove O-ring (110) from plug (104). NOTE! Do not reuse O-ring after removal. Remove shim (105) from plug (104). ...
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Shim, removal Figure 20 Relief valve piston, removal Hydraulic motor, disassembly 11. Parking brake removal. WARNING Abrupt injection of compressed air may cause piston to pop out. To ensure your safety, apply a protective cover over the piston. Figure 21 Apply the compressed air ...
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Figure 22 Brake piston, removal Remove O-rings (35 and 39) from piston (12). NOTE! Do not reuse O-rings (35) (39) after removal. 12. Removal of rotary group. Figure 23 Cylinder block, removal Place an oil pan under spindle (302). NOTE! Pistons must be installed into the same bores because of wear pattern.
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Figure 24 Needle roller, removal 13. Remove the swash plate (3) from spindle (302). Figure 25 Swash plate, removal 14. Remove the drive shaft (2) from spindle (302) by striking the front part lightly with a plastic hammer. Figure 26 Drive shaft, removal 15.
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Figure 27 Bearing, removal 16. Remove the steel ball (67) and parallel pin (71) from spindle (302). WARNING Abrupt injection of compressed air may cause piston to pop out. To ensure your safety, apply a protective cover over the piston. Figure 28 Steel ball and parallel pin, removal 17.
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18. Remove the seal (32) from spindle (302). Figure 30 Bearing and seal, removal 19. Cylinder block disassembly Place cylinder block (4) on a press bench, then while pressing holding retainer (I) against washer (10), remove snap ring (45). NOTE! Press load : 200 kg or over.
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Service Information Document Title: Function Group: Information Type: Date: Track motor, assembly Service Information 2014/6/12 Profile: EXC, EC210B LC [GB] Track motor, assembly Op nbr Precautions Clean all parts with cleaning solvent and dry with compressed air. Rework damaged parts and before assembling, prepare all replacement parts. ...
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Figure 1 Plug, install 2. Counterbalance spool Insert spool (223) into rear flange (201). NOTE! Apply hydraulic oil to spool (223) and insert it into rear flange (201). NOTE! Damage to the bore section of the rear flange or the surface of the spool may cause internal leakage to occur after reassembling, and motor performance to deteriorate.
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3. Speed selector valve. Fit O-rings (295) on plugs (257). Install spring (266) onto spool (263) and insert into rear flange (201). NOTE! Apply grease to the O-ring. NOTE! Apply hydraulic oil to spool (263) and insert it into rear flange (201). NOTE! Damage to the bore section of the rear flange or the surface of the spool may cause internal leakage to occur after reassembling, and motor performance to deteriorate.
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