TM 5-2420-224-20-2
CHAIN SAW CHAIN AND BAR REPLACEMENT
This task covers:
a. Removal b. Installation
I N I T I A L S E T UP
Applicable Configuration:
General Safety Instructions:
SEE
Tools and Special Equipment:
Tool Kit, SC 5180-90-CL-N26
Materials/Paris:
Oil, Lubricating
Appendix C, Item 22
References:
TM 5-2420-224-10
W A R N I N G
N e v e r i n s p e c t , c l e a n , o r
r e p l a c e c h a i n o r b a r w i th
operating pressure at tool.
T o d o s o c o u l d r e s u l t in
injury to personnel.
C h a i n c u t t e r s a r e s h a r p .
Wear protective gloves when
r e m o v i n g ,
i n s t a l l i n g , o r
adjusting chain. Failure to do
so could result in injury to
personnel.
1.
REMOVE two nuts (1), two washers (2), GUARD (3), and GUARD (4) from handle assembly (5).
2.
TURN SCREW (6) COUNTERCLOCKWISE until chain (7) has enough slack to clear sprocket (8).
3.
REMOVE GUARD (9), BAR (10), and CHAIN (7) as an assembly and
handle assembly (5).
4.
REMOVE assembled CHAIN and BAR from guard (9).
5.
REMOVE CHAIN (7) from bar (10).
REMOVE GUARD (11) from
I N S T A L L A T I O N
1.
2.
3.
4.
5.
6.
7.
8.
APPLY COAT of LUBRICATING OIL to CHAIN and INSTALL CHAIN (7)
INSTALL GUARD (11) on handle assembly (5).
INSTALL BAR (10) and CHAIN (7) as an assembly on handle assembly
PLACE CHAIN (7) on sprocket (8).
SLIDE BAR (10) FORWARD, away from handle assembly (5).
on bar (10).
(5).
INSTALL GUARD (4), GUARD (3), two washers (2), and two nuts (1) on handle assembly (5).
TURN SCREW (6) CLOCKWISE until chain (7) is snug to bar (10).
INSTALL GUARD (9).
4-744
R E M O V A L
