Honda Gold Wing GL1200D Shop Manual page 401

~HONDA
~
GL1200D- GL1200A
'-'
TROUBLESHOOTING
HYDRAULIC VALVE ADJUSTER SYSTEM
NOISY TAPPET
POSSIBLE CAUSE
'. O'1eck for low oil level.
INCORRECT
•
111
Contaminated oil
Ride for live minutes with the engine
121
Use of poor quality oil
speed over 3,000 min"' (rpm)
Check cillevel and condition.
CORRECT
I
2.
Oleck oil preHure INCORRECT
•
111
Clogged oil filter screen
121
Clogged oil filter
CORRECT 131
Gil level too low
141
Faulty oil pump
151
Relief valve stuck open
,.,
I,Hemal oil leakage
171
Worn crankshaft bearing
lSi Clogged oil control orifice.
191
Clogged oil passage
110)
Clogged oil pipe
3. Remove cylinder head COVer and check NOT LUBRICATED PROPERLY
•
111
Clogged camshaft holder oil
lubrication
passage
12'
Clogged oil control orifice
CORRECT
I
111
,.
Remove hydraulic tappet and check it
INCORRECT
•
Plunger sticking
121
Faulty hydraulic tappet
CORRECT
j
131
Air in hydraulic tappet
'"
Worn or nicking hydraulic tappet
151
Improper hydraulic tappet
imtallation
5.
Oisassemble camshaft holder and check INCORRECT
•
111
Worn or damaged rocker arm or
parIS
shaft
121
Worn valve stem
131
Broken or weak assist spring
1'1
Sticking assist shaft
151
Use of improper shim
161
Improper installation
171
Worn camshaft
LOW CYLINDER COMPRESSION
"-
POSSI B LE CA USE
,
Check oil level and condition
INCORRECT
•
111
Contaminated oil
121
Use of poor quality oil
CORRECT
I
2. Check oil pressure INCORRECT
.. See above item 2
NORMAL
I
3. Remove hydraulic tappet and cheek il
INCORRECT
•
111
Slicking hydraulic tappet
121
Faulty hydraulic lappet
CORRECT 131
Improper hydraulic tappet
I
installation
,
O<sassemble camshafl holder and check INCORRECT
•
III
Worn or damaged rocker arm
parts
or shaft
121
Use of improper shim
CORRECT
131
Improper installation
I
5.
Check vahle and valve seat INCORRECT
III
Worn V3lve seat or valve face
CORRECT
•
III Engine over rev
22-4