Yanmar EF-494T User Manual

9 HYDRAULIC LIFT UNIT 9 HYDRAULIC LIFT UNIT
EF494T TM 06/2011 edition
193
9.2.2 Control valve, exploded view
No.
Parts name
(A) Never disassemble.
Only the O-ring can be supplied as a separate part.
The other parts can only be supplied as a complete control valve
assembly.
1
Valve body CMP
2
0-ring 113 P 14.0
3
0-ring IB P 7.0
4
Unload SP
5
Plug (unload)
6
Spool (flow control)
7
Flow control SP
8
Plug (flow control)
9
Load check SP
10
Spring (Spool)
11
Spring seat
12
Shim (0.2)
13
O-ring 1BS12.0
14
0-ring IA P 14.0
15
0-ring IA P 16.0
16
Mechanical check valve
CMP
17
Mechanical check valve
sub CMP
18
Backup ring
19
0-ring ID S14.0
20
O-ring 1BS16.0
21
0-ring 1 A P 7.0
22
Mechanical check SP
23
Plug (M check seat)
24
Push bar
25
Push bar
26
Bolt 8 x 14
IMPORTANT
When disassembling
Never loosen M10 bolts (A) fixing the push bar of
the mechanical check valve.
Springs of respective valves look like; do not mix
them up.
When assembling
 Before reassembling, wash each part in
cleaning oil and remove dust and dirt with
compressed air. Apply oil TF500 to the parts.
 Be careful not to lose or drop 0-rings. Insert
them in position.
 Punch lock the plug for the mechanical check
valve seat.
(A) Never loosen nut or adjust bolt.

Yanmar EF-494T Specifications

General

Brand	Yanmar
Model	EF-494T
Category	Tractor
Language	English