Komatsu PC58UU-3 - Page 228

PC58UU-3
20-125
b
TESTING AND ADJUSTING
M
E
A
S
U
R
I
N
G
O
I
L
L
E
A
K
A
G
E
F
R
O
M
W
O
R
K
E
Q
U
I
P
M
E
N
T
C
Y
L
I
N
D
E
R
3. Run the engine at full throttle and apply relief
pressure to the bottom side of the cylinder.
★
Boom cylinder: RAISE operation
Arm cylinder: IN operation
Bucket cylinder: CURL operation
Offset cylinder: LEFT offset operation
4. After 30 seconds, measure the quantity of oil
leaking in 1 minute.