Komatsu PC88MR-10 Shop Manual page 944

40 Troubleshooting
Troubleshooting of hydraulic and mechanical system (H-
mode)
a This is a system chart that has been drawn up by simplifying the whole hydraulic circuit chart. Use it as a
reference material when troubleshooting the hydraulic and mechanical systems.
*: Only machines with ATT
40-456 PC88MR-10