TM 5-3805-280-24-1
Tests
SPECIFICATIONS
Flow Adjusting Cartridge (Track Cycle Time) (C):
Turning adjusting cartridge IN decreases pump flow
Regulator Maximum Flow
1/4 turn IN decreases
Adjusting Screw Turn
maximum pump flow rate
rate.
approximately 11.75 L/min
(3.11 gpm)
Regulator Flow Adjusting Cartridge (Track Cycle
Time)--Specification
Regulator Flow Adjusting
1/4 turn IN decreases pump
Cartridge (Track Cycle Time)
flow rate approximately 23.5
Turn........................................................ 1/4 turn IN decreases pump
Turn
L/min (6.23 gpm)
flow rate approximately 23.5
Regulator Minimum Flow
1/4 turn IN increases minimum
L/min (6.23 gpm)
Adjusting Screw Turn
pump flow rate approximately
14.1 L/min (3.68 gpm)
Do not turn adjusting cartridge more than one turn.
Regulator Load Adjusting
1/4 turn IN increases pump flow
Tighten nut (D) after adjustment. When flow adjusting
Screw (Inner Spring) (Engine
rate approximately 5.67 L/min
cartridge (C) is turned in or out the maximum flow rate
Pulldown at High Pressure)
(1.51 gpm)
Turn
for the pump also changes. To maintain the pump's
maximum flow rate, turn maximum flow adjusting
Regulator Load Adjusting
1/4 turn IN increases pump flow
Cartridge (Outer Spring)
rate approximately 23.5 L/min
screw (B) out twice as much as flow adjusting
(Engine Pulldown at Medium
(6.23 gpm)
cartridge (C) is turned in; turn maximum flow adjusting
Pressure) Turn
screw (B) in twice as much as flow adjusting cartridge
(C) is turned out.
The pumps are driven at engine speed.
For adjustment, see Hydraulic Pump Regulator Test
IMPORTANT: Random adjustment will cause
and Adjustment--Maximum Flow in this group.
engine and hydraulic systems
malfunctions. See Pump Regulator
Minimum Flow Adjusting Screw (E):
Tests and Adjustment for Minimum
Turning adjusting screw IN increases minimum flow
Flow, Maximum Flow and Engine
rate.
Pulldown in this group.
9025
Regulator Minimum Flow Adjusting Screw--Specification
25
Maximum Flow Adjusting Screw (B):
95
Turn..................................................... 1/4 turn IN increases minimum
Turning adjusting screw IN decreases maximum pump
pump flow rate approximately
flow rate.
14.1 L/min (3.68 gpm)
Regulator Maximum Flow Adjusting Screw--Specification
For adjustment, see Hydraulic Pump Regulator Test
and Adjustment--Minimum Flow in this group.
Turn.................................................................. 1/4 turn IN decreases
maximum pump flow rate
approximately 11.75 L/min
Do not turn adjusting more than two turns. Tighten nut
(3.11 gpm)
(F) after adjustment.
Do not turn adjusting screw in more than two turns.
Load Adjusting Screw (Inner Spring) (Engine
Tighten nut (A) after adjustment. Maximum flow
Pulldown at High Pressure) (H):
adjusting screw must not be turned out to try to
Turning load adjusting screw IN increases flow rate.
increase pump flow rate except after the adjustment of
flow adjusting cartridge (C). For adjustment, see
Hydraulic Pump Regulator Test and
Adjustment--Maximum Flow in this group.
Continued on next page
TX,9025,GG2653 1921MAY982/3
6-226
