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 TM 5-2420-224-34
BACKHOE BOOM CYLINDER REPAIR (CONT)
INSTALL new PACKING (9), new retainer
4.
(10), and two new wear rings (11) on piston
(12).
INSTALL PISTON (12) on piston rod (8).
5.
WARNING
Adhesive causes immediate
bonding on contact with eyes,
skin, or clothing and also gives
off harmful vapors. Wear
p r o t e c t i v e goggles and use in
w e l l - v e n t i l a t e d area. If adhesive
g e t s in eyes, try to keep eyes
o p e n ; flush eyes with water for
1 5 minutes and get immediate
m e d i c a l attention.
APPLY COAT of SEALING COMPOUND to
6.
T H R E A D S of screw (13) and INSTALL
SCREW (13) and washer (14) on piston rod
( 8 ) . TIGHTEN SCREW to 475-525 Ib-ft
(644-712 N.m).
INSTALL piston ROD (8) in tube (15).
7.
USING spanner WRENCH, THREAD
8.
RETAINER (5) into tube (15) and TIGHTEN to
100-200 Ib-ft (135-271 N.m).
INSTALL self-tapping SCREW (16).
9.
NOTE
Follow-on Maintenance:
I n s t a l l backhoe boom cylinder
(TM 5-2420-224-20).
20-104
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