172-65378MA-03 (GP10F PowerTrap) 23 Apr 2019
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4. Removing/Reinstalling the Exhaust Valve
Part
Disassembly
Reassembly
Exhaust
Valve
• Using needle-nose pliers, remove the split pin
from one side of the connecting pin; remove the
exposed flat washer.
• Remove the connecting pin; be careful not to lose
the flat washers.
• Lift the exhaust valve off of the top of the snap-
action unit
• Reverse the steps to reassemble.
• Use a new split pin if the old one
was damaged during disassembly.
• Fold the legs of the split pin
completely so that they are wound
around the connection pin.
Exhaust
Valve
Important
Split Pin
Flat Washer
Flat Washer
Exhaust
Valve
Split Pin
Connecting Pin
Push Plate
Snap-action
Unit
If the snap-action unit is being
reinstalled without being
overhauled, DO NOT loosen
the holder nuts on the push
plate (see step 7)
5. Removing/Reinstalling the Exhaust Valve Seat
Part
Disassembly
Reassembly
Exhaust Valve
Seat
• Using a 27 mm (1
1
/
16
in) socket wrench, remove the
exhaust valve seat from the cover unit
• Tighten to a torque of
160 N
⋅
m (115 lbf
⋅
ft).
Exhaust Valve
Seat Gasket
• Remove gasket and clean sealing surfaces on the
exhaust valve seat and the cover unit
• Replace with a new
gasket
(1 N
⋅
m
≈
10 kg
⋅
cm)
Cover Unit
Exhaust Valve Seat
Gasket
Exhaust Valve Seat