MAINTENANCE
SECTION 5
CMD-3967823 / 90-865237030 OCTOBER 2003
Page 79
2. Inspect serpentine belt for proper tension and for the following:
•
Excessive wear
•
Cracks
NOTE:
Minor, transverse cracks (across the belt width) may be acceptable. Longitudinal
cracks (in direction of belt length) that join transverse cracks are NOT acceptable.
•
Fraying
•
Glazed surfaces
•
Proper tension
75130
a
b
c
a -
Transverse crack
b -
Longitudinal crack
c -
Fraying
3. Check the operation of the automatic tensioner and associated components. Move
tensioner pulley in direction of arrow (position a suitable tool on pulley fastener and
rotate). Release and allow to glide back slowly. Tensioner must return to it’s initial
position.
b
a
77139
Typical
a -
Serpentine belt
b -
Automatic tensioner
INDEX
Summary of Contents for 1.7 MI
Page 1: ...2003 Mercury Marine CMD 3967823 90 865237030 1003 1 7 MI Diesel Engine Inboard Models INDEX...
Page 8: ...Page iv CMD 3967823 90 865237030 OCTOBER 2003 NOTES INDEX...
Page 48: ...ON THE WATER SECTION 3 Page 40 CMD 3967823 90 865237030 OCTOBER 2003 NOTES INDEX...
Page 56: ...SPECIFICATIONS SECTION 4 Page 48 CMD 3967823 90 865237030 OCTOBER 2003 NOTES INDEX...
Page 98: ...MAINTENANCE SECTION 5 Page 90 CMD 3967823 90 865237030 OCTOBER 2003 NOTES INDEX...
Page 108: ...STORAGE SECTION 6 Page 100 CMD 3967823 90 865237030 OCTOBER 2003 NOTES INDEX...
Page 116: ...TROUBLESHOOTING SECTION 7 Page 108 CMD 3967823 90 865237030 OCTOBER 2003 NOTES INDEX...
Page 125: ...2003 Mercury Marine CMD 3967823 90 865237030 1003 1 7 MI Diesel Engine Inboard Models INDEX...
Page 132: ...Page iv CMD 3967823 90 865237030 OCTOBER 2003 NOTES INDEX...
Page 172: ...ON THE WATER SECTION 3 Page 40 CMD 3967823 90 865237030 OCTOBER 2003 NOTES INDEX...
Page 180: ...SPECIFICATIONS SECTION 4 Page 48 CMD 3967823 90 865237030 OCTOBER 2003 NOTES INDEX...
Page 222: ...MAINTENANCE SECTION 5 Page 90 CMD 3967823 90 865237030 OCTOBER 2003 NOTES INDEX...
Page 232: ...STORAGE SECTION 6 Page 100 CMD 3967823 90 865237030 OCTOBER 2003 NOTES INDEX...
Page 240: ...TROUBLESHOOTING SECTION 7 Page 108 CMD 3967823 90 865237030 OCTOBER 2003 NOTES INDEX...