Giant GXR - Manual (Page 6)

REPAIR INSTRUCTION - GXR SERIES
1. With a 14mm socket wrench,
remove the three discharge
valve plugs (27). Inspect
the valve plug o-rings (23)
for wear, and replace as
necessary.
2. Remove the valve spring
(18) and valve cone (36)
from the manifold (35). In-
spect the parts for wear and
replace as necessary.
3. With a crescent wrench, re-
move the injector retainer
(47). Inspect the o-ring (46)
for wear and replace as nec-
essary.
8. Next, remove the four mani-
fold bolts (40) with a 6mm
allen wrench.
9. Remove the suction flange
(39) and flange o-ring (38).
Inspect the o-ring for wear
and replace as necessary.
10. Tap the back of the manifold
(35) with a rubber mallet to
dislodge, and slide off the
plungers. (8). Take note of
the position of the discharge
port so as to place the mani-
fold in the same position dur-
ing reassembly.