RX 1 SCALE
Black # 1 to Black # 2
0 indicates Short Circuit
Black # 1 to CT
Black # 2 to CT
Black # I to Re
Black # 2 to Red
Any Pin to Engine
Any reading indicates
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
RX 1 SCALE
Eng. Gnd. to Black #1
5 to 15 ohms
Black # 1 to Eng. Gnd.
Eng. Gnd. to Black #2
5 w 15 ohms
Black # 2 to Eng. Gnd
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.
Red to Eng. Gnd.
Eng. Gnd. to Red
Red to Black
Black to Red
Black to Eng. Gnd.
Note. Install main cylinder head gaskets when
(3) Remove high temperature safety switch
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.
according to the various lengths of cylinder head bosses.
completing assembly and engine is running, re-torque
b. Cleaning and Inspection.
(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
deposits from the cylinder heads. Remove all gasket
(1) Remove the valve covers and gasket (TM
(3) Inspect the cylinder heads for cracks,
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
Install the cylinder heads in
reverse of instructions in subparagraph a above.