Table 4. Blocked Circuits Test.
Right &
Left Bowl
Ejector
Control
Apron
Circuit
Circuit
Right Bowl Control Circuit
Right Cylinder & Balance
Left Cylinder & Balance
Circuit
Blocked
Blocked
Blocked
Line
Line Blocked
Blocked
Apron Cylinder Blocked
System Oil
Ejector
Apron
System Oil
Temperature
Forward
Bowl Raise
Bowl Raise
Bowl Lower
Bowl Raise
Bowl Raise
Bowl Raise
Bowl Lower Apron Raise Apron Raise Lower Flow
Tempera-
(Start)
Flow Rate
Flow Rate
Flow Rate
Flow Rate
Flow Rate
Flow Rate
Flow Rate
Flow Rate
Flow Rate
Flow Rate
Rate
ture (Finish)
33
34
35
36
37
38
39
40
41
41
42
44
45
Control Lever
Ejector
Ejector
Bowl Raise
Bowl Raise
Bowl Lower
Bowl Raise
Bowl
Bowl Raise
Bowl Lower
Apron Up
Apron Up
Apron Down
Ejector
Position
Forward
Forward
Lower
Forward
Engine Speed
Any Speed
1,900
1,900
1,900
1,900
1,900
1,900
Any Speed
1,900
1,900
1,900
1,900
Any Speed
in RPM
System Test
0-100
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
Pressure in psi
(0-689)
(6,895)
(6,895)
(6,895)
(6,895)
(6,895)
(6,895)
(6,895)
(6,895)
(6,895)
(6,895)
(6,895)
(6,895)
(kPa)
Test Data
145-155F
68 gpm
68 gpm
65.5 gpm
145-155F
(63-68C)
(469 l/min)
(469 l/min)
(248 l/min)
(63-68C)
Ejector
Bowl
Apron
Circuit
Leakage Rage
Circuit
Circuit
Circuit
Leakage
Leakage
Leakage (42-
(34-A)
(35-6)
Right Bowl Circuit Leakage
Right Cylinder Leakage
Left Cylinder Leakage
8)
Cylinder Leakage
1 gpm
1 gpm
(36-6)
(37-7)
(38-6)
(39-7)
(40-6)
(41-7)
(43-8)
(44-9)
(4 l/min)
(4 l/min)
1 gpm
2.5 gpm
B=
D=
(4 l/min)
(9.5 l/min)
Control Valve
Apron Sequence Valve
Group Leakage
Left Bowl Circuit Leakage
Right Check Valve Leakage
Left Check Valve Leakage
Leakage
(28-38)
(29-39)
(38-40)
(39-41)
(28-38)
(29-39)
(42-43)
(42-44)
A=1 gpm
C=2.5 gpm
A=1 gpm
C=2.5 gpm
(4 l/min)
(9.5 l/min)
(4 l/min)
(9.5 l/min)
Leakage
Leakage Rate
Table 4
Table 1
Table 3
Table 4
Leakage Rate
Table 4
Table 4
Rate
Ejector Circuit
Test 34
Test 4
Left Bowl
Test 28
Test 38
Right Check
Test 38
Test 40
Leakage
Circuit
Test 29
Test 39
Valve Leakage
Test 39
Test 41
Leakage
Bowl Circuit
Test 35
Test 6
Left Check
A
B
Leakage
Valve Leakage
C
D
Right Bowl
Test 36
Test 6
Apron
Test 42
Test 43
Circuit
Test 37
Test 7
Sequence
Test 42
Test 44
Leakage
Valve Leakage
Right Cylinder
Test 38
Test 6
Leakage
Test 39
Test 7
Test 40
Test 6
Left Cylinder
Leakage
Test 41
Test 7
Apron Circuit
Test 42
Test 8
Leakage
Apron Cylin- Test 43
Test 8
der Leakage Test 44
Test 9
