Planmeca PlanMill 40 - Mandrel Holder Problems

Chapter D: Troubleshooting
78 Planmeca PlanMill 40 Technical manual
1.4 Mandrel holder problems
Table 16: Mandrel holder problems
Top cover pressed against
lid
Adjust top cover away from lid:
2.1.1 "Top cover" on page 94
Defective lid latch assembly Replace lid latch assembly:
2.3.3 "Lid latch" on page 123
Lid pneumatics badly
adjusted
Adjust lid pneumatics.
Coolant leaks out around the lid
Upper nozzle cap nozzles
blocked with debris
Clean nozzle cap nozzles:
2.7 "Cleaning collet and spindle caps" on page 35
Excessive foaming Add defoamer to coolant.
Excessive foaming Clean tank, suction strainer, suction basket, and nozzle caps:
2 "Maintenance procedures" on page 26
High concentration of
coolant in tank
Empty tank and add coolant per instructions on bottle label.
Symptom Problem Solution
Block orientation detection doesn't work
Debris clogging tubing
inside mandrel holder
Remove debris:
2 "Maintenance procedures" on page 26
Low air pressure Set air pressure regulator at 3.45 - 3.80 bar (50 - 55 psi):
2.12.5 "Regulator, filter and water separator" on page 161
Defective tubing inside
mandrel holder
Replace tool changer assembly:
2.4 "Tool changer" on page 127
Defective CPU module Replace CPU module:
2.2.2 "CPU module" on page 102
Defective air pressure
switch (inside tool changer)
Replace tool changer assembly:
2.4 "Tool changer" on page 127
Defective tool changer I/O
cable
Replace tool changer I/O cable:
2.4 "Tool changer" on page 127
Mandrel cam is hard to turn
Debris inside mandrel
holder
Remove debris
2 "Maintenance procedures" on page 26
Damaged/worn mandrel
cam
Replace mandrel cam.
Damaged/worn mandrel
holder
Replace tool changer assembly:
2.4 "Tool changer" on page 127
Mandrel cam doesn't clamp block securely
Symptom Problem Solution