Fiat Kobelco EX355 Tier2, Technical Manual

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EX355 W2-7-7
PILOT VALVE
1
2
3
4
5
8
9
7
6
SM1111
REMOVE AND INSTALL TRAVEL PILOT VALVE
Preparation
1. Park the machine on a firm, level surface.
2. Stop the engine. Push the air release valve on top
of the hydraulic oil tank to release any remaining
pressure.
Removal
1. Loosen bolt ( 2 ) to remove pedal ( 1 ).
: 17 mm
IMPORTANT -
Attach an identification tag on each
hose to aid in reassembly.
2. Disconnect hoses ( 3 ) to ( 8 ).
: 22 mm
NOTE - Attach a cap on each of disconnected hose
ends.
3. Loosen bolts ( 9 ) to remove the pilot valve.
: 17 mm
Installation
1. Mount the pilot valve using bolts ( 9 ).
: 17 mm
: 49 Nm (5.0 kgf m, 36 lbf ft)
2. Connect hoses ( 3 ) to ( 8 ).
: 22 mm
: 39 N m (4.0 kgf m, 29 lbf ft)
3. Mount pedal ( 1 ) using bolts ( 2 ).
: 17 mm
: 49 N m (5.0 kgf m, 36 lbf ft)
IMPORTANT -
After completing installation:
Check hydraulic oil level. Add oil if necessary. Run
the engine. Check the components for any oil leak-
age.
3 - Hose 12 : (To the right reverse travel section in the control
valve)
4 - Hose 10 : (To the left reverse travel section in the control
valve)
5 - Hose P1: (From the pilot control shut-off valve)
6 - Hose 9 : (To the left forward section in the control valve)
7 - Hose 11 : (To the right forw. section in the control valve)
8 - Hose T4 : To the hydraulic oil tank
WARNING
Escaping fluid under pressure can penetrate the skin, causing serious injury.
Avoid the hazard by relieving pressure before disconnecting hydraulic or other lines.
Hydraulic oil may be hot just after operation. Hot hydraulic oil may spout, possibly causing severe burns.
Be sure to wait for oil to cool before starting work.
The hydraulic oil tank cap may fly off if removed without releasing internal pressure first. Push the air release
valve on top of the hydraulic oil tank to release any remaining pressure.