Tennant 365, Operator'S Manual

Page: 69 / 102

MAINTENANCE
3-27
365 MM173 (3---90)
4. Clean and check or replace the ignition points
and gap. If the points are pitted, burned, or
worn to an unserviceable condition, install a
new set of points. Badly pitted points may be
caused by a defective or improper condenser
capacity.
If the points are serviceable, they should be
dressed down with a fine cut stone or point file.
The file must be clean and sharp; never use
emery cloth to clean contact points.
After filing, check the point gap and reset to
0.025 in (0.6 mm), 48
_
to 52
_
dwell. The
breaker arm must be resting on the high point
of the cam during this operation.
When replacing points, make sure they are
aligned and make full contact. Bend the
stationary arm to obtain proper alignment; do
not bend the breaker arm.
TO REPLACE IGNITION POINTS (For machines
below serial number 007000)
1. Remove the distributor cap and the rotor.
2. Disconnect the condenser wire from the
ignition point assembly.
A
B
C
D
E
00694
INSTALLING IGNITION POINTS
A. Retaining Lockscrew
B. Pin
C. Ignition Point Assembly
D. Hole
E. Advance Plate
3. Remove the ignition points attaching screw and
lift out the ignition point assembly.
4. Remove the condenser by removing the screw
attaching the condenser to the distributor plate.
5. Install the new condenser.
6. Position the new ignition points on the advance
plate and install the attaching screw.
7. Connect the condenser wire to the ignition
points.
8. Adjust the ignition points to 0.025 in
(0.6 mm). The dwell angle is 48
_
to 52
_
.
A
B
C
D
E
00695
ADJUSTING IGNITION POINTS
A. Screwdriver
B. Screwdriver Blade
C. Lockscrew
D. Slot
E. Boss
9. Replace the distributor cap and the rotor.
NOTE: If replacing the rotor, be sure to use an
overspeed rotor as indicated in the parts manual or
the engine will overspeed if the governor or governor
belt fails.