Check Oil Drain Tube - Hitachi ZW140-6 Operator's Manual

Check Oil Drain Tube

--- Every 2000 hours
d
WARNING: Be sure to wear safety glasses when using
compressed air.
1. Remove oil drain tube (1) from crankcase ventilation
filter housing (2) and cylinder block.
f
NOTE: When oil drain tube (1) is removed, insert (3) may be
left in the cylinder block. Insert (3) can be removed easily by
hand.
2. Confirm that the check valve works normally by sending
a small amount of air (less than 34 kPa (4.9 PSI)) through
oil drain tube (1). (Refer to the right illustration.)
3. After coating the new O-ring surface with clean engine
oil, install it on insert (3).
4. Install insert (3) to oil drain tube (1).
5. Connect oil drain tube (1) to crankcase ventilation filter
housing (2) and cylinder block.
IMPORTANT: At this time, be careful not to point oil drain
tube (1) in the incorrect direction.
MAINTENANCE
7-37
2 1
MPTC-07-041
3
MPTC-07-039