Acura RL (1996-2004 year). Manual — part 316
4.
Check for mica depth. If necessary, undercut the mica
with a hacksaw blade to achieve proper depth. If the
service limit cannot be maintained, replace the arma-
ture.
NO-GOOD
GOOD
MICA DEPTH
Commutator Mica Depth
Standard (NEW)
0.5-0.8 mm
(0.020-0.031 in)
Service Limit
0.20 mm
(0.008 in)
5.
Check for continuity between the segments of the
commutator. If an open circuit exists between any
segments, replace the armature.
COMMUTATOR SEGMENT
6.
Place the armature on an armature tester. Hold a
hacksaw blade on the armature core. If the blade is
attracted to the core or vibrates while the core is
turned, the armature is shorted. Replace the arma-
ture.
ARMATURE TESTER
HACKSAW BLADE
ARMATURE
7. With an ohmmeter, check that no continuity exists
between the commutator and armature coil core,
and between the commutator and armature shaft. If
there is continuity, replace the armature.
SHAFT
COIL CORE
COMMUTATOR
HIGH
MICA
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Starting System
Starter Brush Holder Test
1.
Check that there is no continuity between the and
brush holders. If there is continuity, replace the
brush holder assembly.
BRUSH HOLDER
BRUSH HOLDER
BRUSH HOLDER
2.
Insert the brush into the brush holder, and bring the
brush into contact with the commutator, then attach
a spring scale to the spring. Measure the spring ten-
sion at the moment the spring lifts off the brush.
SPRING SCALE
(Commercially available)
SPRING
BRUSH
Spring Tension
29.1 - 37.8 N (2.97 - 3.85 kgf, 6.548 - 8.488 Ibf)
Starter Brush Inspection
Measure the brush length. If the length not within the
service limit, replace the brush holder assembly.
Brush Length
Standard (NEW)
18 mm
(0.71 in)
Service Limit
10 mm
(0.39 in)
BRUSH
NOTE: To seat new brushes after installing them in their
holders, slip a strip of #500 or #600 sandpaper, with the
grit side up, over the commutator, and smoothly rotate
the armature. The contact surface of the brushes will be
sanded to the same contour as the commutator.
BRUSH HOLDER
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Table of Contents
Planetary Gear Inspection
Check if the planetary gears are worn or damaged. If they
are, also check the condition of the armature shaft gear
and ring gear.
ARMATURE
SHAFT GEAR
RING
GEAR
PLANETARY GEARS
Overrunning Clutch Inspection
Slide the overrunning clutch along the shaft.
Does it move freely? If not, replace it.
1.
2.
Rotate the overrunning clutch both ways.
Does it lock in one direction and rotate smoothly in
reverse? If it does not lock in either direction or it
locks in both directions, replace it.
SHAFT
3.
4.
DRIVE GEAR
If the starter drive gear is worn or damaged, replace
the overrunning clutch assembly; the gear is not avail-
able separately.
Check the condition of the torque converter ring gear
if the starter drive gear teeth are damaged.
Main Menu
Table of Contents
Starting System
Overrunning Clutch Removal
1. Put the end of a pipe (inner diameter 13 mm (0.51 in))
against the pinion stop, and strike the pipe to force
the pinion stop over the spring clip.
A: 13 mm (0.51 in)
PINION STOP
PIPE
SPRING CLIP
PLANETARY GEAR SHAFT
NOTE: Be careful not to damage the planetary gear
shaft when striking the pipe.
2. Remove the spring clip then pull the pinion stop
and overrunning clutch off the shaft.
SPRING CLIP
PINION STOP
Starter Reassembly
NOTE: Use the illustration on page
as reference for
reassembly.
1. Pry back each brush spring with a screwdriver, then
position the brush about halfway out of its holder,
and release the spring to hold it there.
2. Install the armature in the housing. Next pry back
each brush spring again and push the brush down
until it seats against the commutator, then release
the spring against the end of the brush.
3. Install the end cover on the brush holder.
END COVER
BRUSH HOLDER
Main Menu
Table of Contents
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