Removing/Reinstalling The Exhaust Valve And Exhaust Valve Seat - TLV PowerTrap GP14-B Manuel D'utilisation

5. Removing/Reinstalling the Exhaust Valve and Exhaust Valve Seat

Part / Step
･ To replace the exhaust valve, first
Exhaust
Valve remove the snap-action unit (see Step
4). The exhaust valve is attached to the
top of the snap-action unit.
･ To remove the exhaust valve from the
snap-action unit:
a) Use needle-nose pliers to straighten
one of the split pins, and then remove it
and its washer from the connecting pin.
b) Remove the connecting pin and the
second washer from the valve and push
rod, then lift the exhaust valve up and
off the push rod.
Adjustment
of the gap
between
the push
plate and
intake valve
(motive
medium)
･ Using a 27 mm (1
Exhaust
loosen the exhaust valve seat. Finish
Valve Seat
unscrewing by hand, and then remove
the exhaust valve seat and its gasket
from the cover.
Exhaust Valve Unit
Disassembly
/
") socket wrench,
1 16
Connecting Pin
Exhaust Valve
Washer
Split Pin
Push Rod
— 27 —
Reassembly
･ When replacing the exhaust valve
and connecting pin, be sure to
reinstall the washers and to use a
new stainless steel split pin.
･ Bend the ends of the split pin to
secure it in place.
･ When a snap-action unit that has
been removed from the cover is
reinstalled without being overhauled,
it is not necessary to adjust the gap
between the push plate and the
intake valve (motive medium).
･ It is necessary to inspect and adjust
the gap (3 ± 0.3 mm, 0.118 ± 0.012
in) only when installing a new snap-
action unit or an overhauled snap-
action unit (from this or another unit).
(See following page for instructions.)
･ Be sure to reinstall the gasket.
･ Coat the threads of the exhaust valve
seat with anti-seize before
reassembling in the opposite order
of disassembly.
･ Tighten to a torque of 140 N·m
(100 lbf·ft).
(1 N·m ≈ 10 kg·cm)