TM 10-3930-641-34-2
TEE TEST PROCEDURE FOR HYDRAULIC SYSTEM (CONT
(Sheet 7 of 27)
SYSTEM TEST 700 RPM
CHART A-1
Maximum
System
System
Lift
Lift
Tilt
Tilt
System
Lift
Tilt
Pressure
Oil
Base
LOWER
RAISE
TILTBACK
FORWARD
Oil
Circuit
Circuit
Test
Relief Valve
Temperature
Flow
Flow
Flow
Flow
Flow
Temperature
Drift
Drift
Setting
(Start)
Rate
Rate
Rate
Rate
Rate
(End)
Comparison
Comparison
Name
Test
1
2
3
4
5
6
7
8
9
10
Number
Control
Lift
Lift
Lift
Lift
Lift
Tilt
Tilt
Lift
Lift
Tilt
Lever
LOWER
LOWER
LOWER
LOWER
RAISE
TILTBACK
FORWARD
RAISE
1. HOLD
1. HOLD
Position
2. RAISE
2. TILTBACK
Mast
Fully
Fully
Fully
Fully
Fully
Full
Full
Forks
Position
Lowered
Lowered
Lowered
Lowered
Raised
Tiltback
Forward
Horizontal
Mast Level
Mast Level
Engine
700
Any
700
700
700
700
700
Any
Low Idle
Low Idle
Speed
RPM
Speed
RPM
RPM
RPM
RPM
RPM
Speed
or Stopped
or Stopped
System
0-100
100
1000
1000
1000
1000
0-100
0
0
Test
Maximum
PSI
PSI
PSI
PSI
PSI
PSI
PSI
PSI
Pressure
2600
RAISE DRIFT
150
150
RAISE DRIFT
Test
+200
M
S
M
S
+5_
42
22
22
22
22
+5_
Data
Than HOLD
Than HOLD
F
F
Drift Rate
Drift Rate
PSI
GPM
GPM
GPM
GPM
GPM
(3-4)
(3-5)
(3-6)
(3-7)
Flow
Differential
20
20
20
20
GPM
GPM
GPM
GPM
(3-4) x 100
(3-5) x 100
(3-6) x 100
(3-7) x 100
Percent
3
3
3
3
Flow Loss
____%
____%
____%
____%
NOTE: Flow differential on gear pump is normally higher at low pump speed. Test data readings shown are minimum expected on worn system.
SYSTEM TEST
Go on to Sheet 8
7-130