Giant LP250W-MT - Manual (Page 7)

7
LP200, LP250 & LP250W-MT - REPAIR INSTRUCTIONS
1. With a 30mm wrench,
remove the (3) plugs (48).
2. Remove the compression
spring (45) & o-rings (44A
& 44B-LP250W-MT only).
3. Remove the complete valve
assembly (46) with valve
pullers.
44A 44B 45
4. Loosen valve seats (46A) from spacer pipe (46D) by lightly
hitting the valve plate (46B) with a plastic stick. Check sealing
surface and replace worn parts. Reassemble with new o-rings
(44A) if possible and oil them before installing. Tighten up
tension plugs (48) to 107 ft.-lbs.
5. Loosen the 8 nuts (49A)
with a 19mm wrench. Tap
the back of the manifold
(43) with a rubber mallet
to dislodge and slide off
the studs (49).
46A 46B 46D
6. Pull seal sleeves (35) out of
guides in crankcase (1).
7. Remove the tension spring (42), support ring (41), v-sleeves (40),
pressure ring (39), from the seal sleeve (35). Examine seals (36)
carefully and replace if worn. Clean all parts.
42 41 40 40 39 35 36