TM 55-2840-254-23
1-121 INSTALL SPIRAL CHAFING SLEEVE ON HOSES (Continued)
1-121
3. Determine how much chafing sleeve is needad
SPIRAL CHAFING SLEEVE TABLE
as follows:
HOSE
DIAMETER
SPIRAL
CHAFING
a. Find spiral constant and chafing sleeve needed
(INCHES)
SLEEVE
SIZE
CONSTANT
in sprial chafing sleeve table. Record spiral
(C)
constant as C.
-3
3/1 6
E50
1.2
E50
-4
1.5
1/4
E50
1.8
-5
5/16
E50
-6
3/8
2.1
E51
-8
1/2
1.7
E51
-10
2.0
5/8
-12
E52
2.4
3/4
1
E52
-16
2.4
E52
-20
2.9
1-1/4
E52
-24
1-1/2
3.6
b. Multiply length of hose to be covered (L) by
spiral constant (C). Answer is amount of
sleeve needed to cover hose.
Sample:
To cover 6-inches of -5 hose,
multiply 6 times spiral con-
stant, 1.8.
4. Cut length of sleeve (3) needed.
5. Install sleeve (3) on hose (2).
INSPECT
FOLLOW-ON MAINTENANCE:
None
END OF TASK
1-653/(1-654 blank)
