Section 5 - Maintenance 
Page  78 90-899883173   DECEMBER  2007
5. Use a 8 mm (5/16 in.) socket and tighten adjusting the stud to adjust the belt deflection.
6. Using one of the 2 methods following, check for correct deflection.
a. Push down with moderate thumb pressure on the longest stretch of belt. Proper
deflection is 13 mm (1/2 in.).
b. Attach the Kent Moore© Belt Tension Gauge to the belt. The gauge has different
ranges for new and used belts.
COLOR GUIDE
for
PATENT
2.83918
NEWTONE
NEWTONE
b
a
14980
a - Kent Moore© Tension Gauge b - Serpentine belt
7. While  holding  the  adjustment  stud  at  the  correct  belt  tension,  tighten  the 16  mm
(5/8 in.) locking nut.
a
b
6119
a - 8 mm (1/16 in.) adjusting stud
b - 16 mm (5/8 in.) locking nut
8. Operate the engine for a short period of time and recheck the belt adjustment.
Flushing The Power Package
Horizon Models
NOTE:  Flushing  is  needed  only  for  salty,  brackish,  mineral  laden  or  polluted  water
applications. Flushing is recommended after each outing for best results.
1. Close the seacock, if equipped, or remove the water inlet hose and plug the inlet.
2. Attach the quick connect fitting to a water hose.
3. Remove the blue cap from the flush socket on the engine
NOTICE
Without sufficient cooling water, the engine, the water pump, and other components will
overheat and suffer damage. Provide a sufficient supply of water to the water inlets during
operation.