TM 5-3810-300-24 & P2
Single-Reduction Hypoid Drive Unit. (Illus. 4-45).
DISASSEMBLY.
1. Remove Drive Unit From Housing.
A. Remove plug from bottom of axle housing and drain lubricant.
B. Remove the axle shaft stud nuts, lockwashers and tapered dowels.
NOTE
TO LOOSEN THE DOWELS, HOLD A 1 1/2 INCH DIAMETER BRASS DRIFT AGAINST THE
CENTER OF THE AXLE SHAFT HEAD, INSIDE THE CIRCULAR DRIVING LUGS. STRIKE THE
DRIFT A SHARP BLOW WITH A 5 TO 6 POUND HAMMER OR SLEDGE. A 1 1/2 INCH DIAMETER
BRASS HAMMER IS AN EXCELLENT AND SAFE DRIFT.
CAUTION
DO NOT HIT THE CIRCULAR DRIVING LUGS ON THE SHAFT HEAD - THIS MAY CAUSE THE LUGS TO SHATTER
AND SPLINTER. DO NOT USE CHISELS OR WEDGES TO LOOSEN THE SHAFT OR DOWELS - THIS WILL
DAMAGE THE HUB, SHAFT AND OIL SEAL.
C. Remove the axle shaft from the drive unit and housing.
D. Disconnect the forward and rear propeller shafts.
E. Remove carrier to housing stud nuts and lock washers. Loosen two top nuts but leave on studs to prevent carrier
from falling.
F. Break carrier loose from housing with a rawhide mallet.
G. To remove carrier from housing, place roller jack under carrier. Remove top nuts and lock washers and work
carrier free. A small pinch bar may be used to straighten carrier in housing bore. However, the end must be
rounded to prevent indenting the carrier flange.
H. Place carrier in suitable holding fixture as illustrated.
Prints of carrier repair stand are available upon
request.
4-230
