Fiat Kobelco EX355 Tier2, Техническое руководство

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EX355 W2-5-9
CONTROL VALVE
Assemble Control Valve (2)
• Read carefully "Precautions for Disassembly and
Assembly" (W1-1-1) before starting repair work.
Arm Anti-drift Valve
1. Install three O-rings ( 7 ) to bushing ( 20 ).
2. Install O-ring ( 6 ) to plug ( 12 ).
3. Put bushing ( 20 ), spool ( 18 ), and spring ( 19 ) into
casing 3 ( 3 ), and install plug ( 12 ).
: 22 mm
: 69 to 79 N
⋅
m
(7 to 8 kgf
⋅
m, 50.5 to 58 lbf
⋅
ft)
4. Install O-ring ( 5 ) to plug ( 13 ).
5. Put piston ( 22 ) and piston ( 23 ) into casing 3 ( 3 ), and
install plug ( 13 ).
: 10 mm
: 127 to 147 N
⋅
m
(13 to 15 kgf
⋅
m, 94 to 108 lbf
⋅
ft)
IMPORTANT -
Be sure to install piston ( 22 ) and ( 23 )
in their correct positions.
IMPORTANT - Do not use lock nut part.
6. Install O-ring ( 21a ) to relief valve ( 21 ). Install and
tighten relief valve ( 21 ) in casing 3 ( 3 ).
: 22 mm
: 69 to 79 N
⋅
m
(7 to 8 kgf
⋅
m, 50.5 to 58 lbf
⋅
ft)
7. Install O-ring ( 10 ) to plug ( 15 ).
8. Put poppet ( 16 ) and spring ( 17 ) into casing 2 ( 2 ),
and install plug ( 15 ).
: 17 mm
: 370 to 410 N
⋅
m
(38 to 42 kgf
⋅
m, 275 to 300 lbf
⋅
ft)
9. Install two O-rings ( 8 ) to casing 3 ( 3 ).
10. Tighten four socket bolts ( 24 ) to install casing 3
( 3 ) in casing 2 ( 2 ).
: 5 mm
: 9.8 to 13.5 N
⋅
m
(1 to 1.4 kgf
⋅
m, 7.2 to 10 lbf
⋅
ft)
11. Install O-ring ( 11 ) to casing 4 ( 4 ).
12. Tighten four socket bolts ( 25 ) to install casing 4
( 4 ) on casing A.
: 10 mm
: 98 to 118 N
⋅
m
(10 to 12 kgf
⋅
m, 72 to 87 lbf
⋅
ft)
13. Install O-ring ( 11 ) to casing 2 ( 2 ).
14. Tighten four socket bolts ( 25 ) to install casing 2
( 2 ) on casing 4 ( 4 ).
: 10 mm
: 98 to 118 N
⋅
m
(10 to 12 kgf
⋅
m, 72 to 87 lbf
⋅
ft)