C 10, TM 9-2350-230-12
PRELIMINARY STEPS
A. OBTAIN TWO 3/8 HEXAGON TOOL STEEL PIECES, APPROXIMATELY 6 INCHES
AND 2 INCHES IN LENGTH, TO FACILITATE REMOVAL AND INSTALLATION
OF MOUNTING SCREWS.
B. TURN GRENADE LAUNCHER CONTROL PANEL MASTER SWITCH OFF AND
INSTALL SAFETY WIRE.
C,TURN CONTROL PANEL FIRE SWITCH OFF AND INSERT SAFETY PIN.
D, REMOVE LAUNCHER FROM TUBE ASSEMBLY (FIG. 3-15.1).
E. REMOVE CABLE CHANNEL AND DISCONNECT SOLENOID LEAD.
REMOVAL
1. REMOVE 2 UPPER MOUNTING SCREWS AND WASHERS (AND SHIMS IF PREVIOUSLY
USED) USING 2 INCH HEXAGON TOOL.
2. USE 6 INCH HEXAGON TOOL TO REACH LOWER SCREWS THROUGH UPPER
BRACKET HOLES. REMOVE 2 SCREWS, WASHERS (AND SHIMS IF PREVIOUSLY
USED) AND TUBE ASSEMBLY.
INSTALLATION
1. HOLD TUBE ASSEMBLY IN PLACE AGAINST BRACKETS AND INSTALL LOWER
SCREWS AND LOCK WASHERS. TIGHTEN TO 5 TO 10 POUNDS-FEET.
2. INSTALL ONE TOP SCREW AND LOCK WASHER AND TIGHTEN TO 5 TO 10
POUNDS-FEET.
3. USE FEELER GAGE TO DETERMINE WHERE SHIMS ARE NECESSARY, AND
THICKNESS OF SHIMS REQUIRED.
4. REMOVE SCREWS AS NECESSARY TO INSTALL SHIMS, THEN INSTALL
BOTTOM SCREWS AND LOCK WASHERS FIRST. KEEP ONE UPPER SCREW
IN PLACE WHILE TIGHTENING BOTTOM SCREWS TO MAINTAIN ALIGNMENT
OF TUBE ON BRACKET. TIGHTEN BOTTOM SCREWS TO 75 POUNDS-FEET.
5. INSTALL UPPER SCREWS AND LOCK WASHERS, WITH SHIMS AS REQUIRED.
TIGHTEN TO 75 POUNDS-FEET.
7. CONNECT SOLENOID ELECTRICAL LEADS AND INSTALL CABLE CHANNEL
WE 70041 I
Figure 11-25. 3. Removal/Installation - grenade launcher tube assembly.
11-26