Doosan DX60R Shop Manual page 716

4. Control Plate
• Check for any surface damage and replace if
necessary
5. Guide and Retainer
• Check for any corrosion or uneven wear. If unsure,
replace both guide and retainer as a set.
• Minor corrosion or damage can be removed by
lapping. Wash the surface after lapping.
Reference
Number
1
2
6. Solenoid Valves, A and B
Check the clearance between inside diameter of the block
and the outside diameter of the spool.
Clearance: D - d = 0.015 mm (0.0006")
7. Relief Valve
Check the clearance between the inside diameter of the
cover and the outside diameter of the spool.
Clearance: D - d = 0.015 mm (0.0006")
8. Relief Valve
Check the set pressure.
Set pressure: 30 ±0.2 kg/cm
psi @ 1.72 gpm @ 100 rpm)
Main Pump
Page 36
Description
Shoe
Piston
2
@ 6.5 l/min@ 100 rpm (427
Figure 54
Figure 55
Figure 56
Figure 57
SP001488