TM 5-3895-342-34
CORRECT
METER PROBE
METER
REPLACE
CONNECTIONS
VALUE
STATOR
-
+
RX 1 SCALE
Black # 1 to Black # 2
1.00 ohms
0 indicates Short Circuit
Black # 1 to CT
.50 ohm
Black # 2 to CT
.50 ohm
Black # I to Re
2.75 ohms
00 indicates
Black # 2 to Red
1.75 ohm
Open Circuit
Any Pin to Engine
00
Any reading indicates
Ground
a short circuit
TO CHECK RECTIFER MODULE
The rectifier module can be distinguished from the regulator by the two black lead wires and identification decal. Use an ohmmeter
and static check continuity as follows:
CORRECT
REPACE
METER PROBE
METER
RECTIFIER
CONNECTIONS
VALUE
MODULE
-
+
RX 1 SCALE
Eng. Gnd. to Black #1
5 to 15 ohms
Black # 1 to Eng. Gnd.
00
Any reading
Eng. Gnd. to Black #2
5 w 15 ohms
indicates a
Black # 2 to Eng. Gnd
00
short circuit
TO CHECK REGULATOR MODULE
The regulator module can be distinguished from the rectifier module by the lead wire colors, black and red, and the identification decal.
Use a good ohmmeter and static check continuity as follows:
CORRECT
REPACE
METER PROBE
METER
REGULATOR
CONNECTIONS
VALUE
MODULE
-
+
RX1SCALE
Red to Eng. Gnd.
00
Any
Eng. Gnd. to Red
00
reading
Red to Black
00
indicates
Black to Red
00
a short
Black to Eng. Gnd.
00
circuit
Note. Install main cylinder head gaskets when
(3) Remove high temperature safety switch
(TM 5-3895-342-12).
reinstalling cylinder heads. Us a mixture of graphite and
(4) Remove screws and washers holding
oil on the cylinder head screws prevent them from
cylinder head to cylinder block. Screws of different
rusting tight against the cylinder block. Tighten cylinder
lengths are used, but these can be properly reassembled
head screws 22 to 24 foot-pounds torque.
After
according to the various lengths of cylinder head bosses.
completing assembly and engine is running, re-torque
b. Cleaning and Inspection.
head screws.
(1) Clean the cylinder heads with cleaning
solvent and dry thoroughly.
3-11. Valve Assemblies, Valve Inserts, and Guides.
(2) Carefully scrape and wire-brush all carbon
a. Removal
deposits from the cylinder heads. Remove all gasket
(1) Remove the valve covers and gasket (TM
residue.
5-3895-342-12}.
(3) Inspect the cylinder heads for cracks,
(2) Remove the cylinder heads (para 3-10}.
breaks, and warpage. Replace a cracked, broken or
(3) Remove and disassemble the valve
warped cylinder head.
assemblies, valve seat inserts, and the valve guides in
c. Installation.
Install the cylinder heads in
numerical sequence as illustrated in figure 3-9.
reverse of instructions in subparagraph a above.
3-14
