. Engine speed : High rpm "P" mode . Hydraulic oil temperature : 50 5 C(122 . Site : Firm, level ground o
41oF)
Arm cylinder
. Bucket cylinder is fully extended.
Boom cylinder
. Arm cylinder is fully retracted. . Bucket cylinder is fully extended. Roll-out
Raise 90
o
Roll-in Lower
50cm S01890C
S01891D
Bucket cylinder (sec)
Roll-in
Operation Standard
Allowable
Boom
Raise
2.9 0.3
3.4
Cylinder
Lower
2.5 0.3
3.0
Arm
Roll-in
3.5 0.3
4.1
Cylinder
Roll-out
2.5 0.3
3.0
Bucket
Roll-in
3.5 0.3
4.1
Cylinder
Roll-out
2.1 0.3
2.7
o
90
Roll-out
50cm S01892D
Creeping of Hydraulic Cylinder
. With a full load in the bucket, set the front-end attachment as shown. Unit: mm(in) / 5min
Boom Arm
Standard
Allowable Max. Limit
< 10(0.4)
15(0.6)
< 10
15(0.6)
20(0.8) 20(0.8)
3 1
A
A
Bucket
< 40
50(0.6)
70(2.8)
2
L
4
a
H
A b
5
6
1m(3'3") S01893D
Swing Speed
. Engine speed : High rpm "P" mode . Hydraulic oil temperature : 50 5 C(122 . Site : Firm, level ground o
41oF)
. Arm cylinder is fully retracted. . Bucket cylinder is fully extended.
1m(3'3")
S00730A
(sec / 3rev) Standard Swing speed
Allowable Max. limit
15.1 1.5 17.0
18.0
Coasting Left and Right Swing
. With a full load in the bucket, set the front-end attachment as shown.
1m(3'3") S00730A
Marking on the swing bearing
1. Set flag and mark at swing bearing
Marking on the track frame
4. Return lever to neutral position in front of the flag Amount of coasting
B
5. Measure coasting amount at the swing bearing
Unit: mm(in) Standard
Allowable Max. limit
< 1332(52)
1465(58)
o
2. 180 swing 3. Operate swing lever at full stroke
Coasting amount
1520(60)
Swing Bearing Clearance Upper frame
Upper frame
Outer race
Outer race
Inner race
Inner race
Lower frame
Lower frame
A
B 90 ~ 120
o
) " 6 (
m m 0 5 1 S01899D
Removed condition Dial gauge
(A+B) / 2 Magnet base
Lift Inner race
S01902C
Outer race
Standard
unit : mm(in)
Allowable
Removed
0.05 ~ 0.2(0.002~0.008)
0.4(0.016)
Installed
0.2 ~ 1.7(0.008~0.07)
2.5(0.10)
Travel Speed
. Engine speed : High rpm "P" mode . Hydraulic oil temperature : 50 5 C(122 . Site : Firm, level ground o
41oF)
(sec / 20m) Standard
Allowable Max. limit
L
23
25
27
H
13
15
17
1m(3'3") S01900C
Preliminary distance
Test run
3~5m (10~16.5ft)
20m (66ft)
Preliminary distance 3~5m (10~16.5ft)
S01901B
Track Running Speed
. Engine speed : High rpm "P" mode . Hydraulic oil temperature : 50 5 C(122 41 F) . Site : Firm, level ground . Mark any one of the track shoes on the side on which this test is performed. . Jack up the track to be tested. o
90 ~ 120
o
o
S01902C
(sec/3rev) Standard
Allowable Max. limit
L
31.3
34
35
H
18.3
20.1
21
Straight Travelling Performance
. Engine speed : High rpm "P" mode . Hydraulic oil temperature : 50 5 C(122 . Site : Firm, level ground o
41oF)
Preparation
1m(3'3") S01900C
Measurement A 20m
Unit : mm(in) Standard Deviation distance(A) < 200(7.9)
