SY215C LC/SY225C LC Excavator OMM
Maintenance
SANY
Operation and Maintenance Manual — 1219
5-59
TABLE
O
F
CONTENTS
INTRODUCTION
SAFETY
M
A
CHINE
CO
N
T
RO
L
S
MACHINE
OPE
R
A
T
IO
N
MAINTENANCE
S
PECI
F
ICA
T
IO
NS
OPT
IONAL
EQ
U
IPM
E
N
T
•
Hardening, chapping, or burning of hose.
•
Cracks, or serious corrosion on the couplings.
•
Leaks at the couplings.
•
Twisted, broken, flat, or distorted hose or lines.
•
Blisters or softness in the external hose layer.
Add Hydraulic Oil
1. Park the machine on a flat, level surface, and position the work equipment as shown on the hydraulic tank level
decal.
2. Prepare the machine for service. See “Maintenance Safety” on page 2-8.
3. Start engine and allow to idle for 1 minute.
4. Shut down the engine.
5. Turn the key switch to ON.
6. Place the hydraulic lockout lever in the open (unlocked)
position.
7. Cycle the joystick controls and travel control levers and
pedals to relieve pressure in the hydraulic circuits.
8. Turn the key switch to OFF and place the hydraulic
lockout lever in the closed (locked) position.
9. Remove the wing nut (1) from the breather valve.
CAUTION!
Hydraulic oil may be hot and under pressure. Always wait for the machine to cool down
before attempting to open the hydraulic oil system. Failure to follow this process could result
in injury.
Fig. 5-75
1
Содержание SY215C LC
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