1975 Datsun 280z FSM - Spooled up Racing

HANDLING CAN TAP
A wide variety of can taps are
available. The following procedures
apply to conventional can taps.
For the correct usage, refer to the
manufacturer's instructions.
Caution: Use can tap of good quality.
Air Conditioning
1. Connect charging hose to the
center fitting of manifold gauge. At
this time, confirm that both stems are
fully turned in (front-seated).
2. Turn can tap handle fully counterclockwise
so that the needle is
pulled up.
3. Attach can tap to refrigerant can
firmly.
4. Turn can tap handle fully clockwise
to make a hole in refrigerant
can.
5. Turn the handle fully counterclockwise
to raise the needle. Refrigerant
gas will flow up to the center
fitting of manifold gauge.
6. Loosen the connection at the
center fitting of manifold gauge for a
few seconds to purge air inside charging
hose. See Figure AC-20.
(Counterclockwise)
1 Can tap handle
2 Charging hose
3 Needle
4 Refrigerant can
AC246
Fig. AC-19 Can tap
AC247
Fig. AC-20 Purging air
AC-19