Quantcast Starter, Cleaning, Inspection and Repair

 

Click here to make tpub.com your Home Page

Page Title: Starter, Cleaning, Inspection and Repair
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Back
Figure 4-9. Starter, disassembly and reassembly.
Up
TM-10-3930-630-34 Truck Lift Fork GED Solid Rubber Tired Wheels 4000 lbs Capacity 100 and 180 Inch Lift Manual
Next
Figure 4-10. Test circuit for pinion clearance check.
TM 10-3930-630-34
drive assembly must engage spiral splines on armature
4-7.
Starter, Cleaning, Inspection and Repair
shaft.
a.  Clean all metal parts, except rubber or
(2)  Install stop collar (31) and retaining
insulated parts, in cleaning solvent (Fed. Spec. P-D-
ring (30) on shaft. Press thrust washer (29) on shaft over
680). Dry parts thoroughly.
retaining ring.
b.  Check armature for shorts on a growler.
(3)  Install brake washer (32) on armature
(1)  Place armature on growler. Check
shaft.
with a steel strip or hacksaw blade held on armature
(4)  Install field winding (40) in housing
core.
(42). Install insulation (39) and pole shoes (38) in
(2)  Rotate armature. If blade vibrates
housing between field winding coils. Pole shoes with
armature is shorted in area of core below blade.
long lip on side must be installed with lip in direction of
(3)  Clean commutator slots.
armature rotation. Secure pole shoes with pole shoe
(4)  If short cannot be eliminated, replace
screws (37).
armature.
(5)  Install armature (28) in housing (42)
c.  Check armature for opens.
with armature core between pole shoes.
(1)  Inspect points where core conductors
(6)  If bearing (35) was removed from
are connected to the commutator for loose connections.
housing (36), press new bearing into bore in housing.
Poor  connections  cause  arcing  and  burning  of
End of bearing must be flush with or slightly below end
commutator.
of bore.
(2)  If commutator bars are not badly
(7)  Install lever (27) in housing (36) and
burned, resolder leads to bars.
install stud (20) to secure lever. Secure stud with nut
d.  Check commutator for out-of-round.
(18) and lock washer (19).
(1) If commutator is worn out-of-round, turn
(8)  Check marks on lever housing (36)
commutator on a lathe.
and starter housing (42) and install housing (36).
(2)  After turning commutator, undercut
Engage prongs on lever (27) with slot in drive assembly.
insulation between bars 0.031 inch (0.78mm).
(9)  Install plunger (26) in housing and
e.  Check field winding for grounds and opens
secure plunger to lever with pin (25).
with a test lamp.
(10) Slide solenoid (23) and spring (24)
(1)  Connect test lamp probes to ends of
over plunger and up to housing. Secure solenoid with
field windings. If lamp does not light, field windings are
screws (21) and lock washers (22).
open and must be replaced.
(11) Install brushes (15) in brushholders
(2)  To check for opens, after installation
(16 and 17). Secure brushes with screws (13 and 14).
of field windings, connect one probe of test lamp to field
(12) Install assembled brushholders on
winding connection and one to starter housing. If lamp
end frame (6) and secure with screws (11 and 12), lock
lights, field windings are grounded and must be repaired
washers (10) and nuts (9). Install springs (8) in
or replaced.
brushholders and against brushes. Connect ground lead
f.
Check  all  springs  for  damaged  or
(7) to brushes and frame.
weakened condition. Replace unserviceable springs.
(13) Hold brushes (15) apart and install
g.  Inspect drive assembly for damage and
assembled end frame (6) on housing and armature.
wear to spring and gear. Replace unserviceable drive
Release brushes so that brushes contact armature
assembly.
commutator.
h.  Inspect brushes. If brushes are worn to less
(14) Connect  field  winding  leads  to
than one-half of their original length, replace brushes.
solenoid (23).
i.
Check brush springs. Spring tension on
(15) Secure  housings  together  with
brushes must be 35 ounces (1.04 kg).
through bolts (5).
b.  Pin ion Clearance Check.
4-8.
Starter, Reassembly and Installation
(1)  Disconnect field winding connector
a.  Reassemnbly.
from rear of solenoid and insulate connector.
(1)  Install spring (34, fig. 4-9) and drive
(2)  Connect a battery from the solenoid
assembly (33) on armature shaft. Spiral splines in
switch terminal to the solenoid frame as shown in figure
4-7

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc.