2424243 FAN AS Caterpillar parts
3508, 3508B, 3512, 3512B, 3516, 3516B
Rating:
Alternative (cross code) number:
CA2424243
242-4243
2424243
CA2424243
242-4243
2424243
Weight: 154 pounds 69 kg.
GENERATOR SET,
Information:
Illustration 3 g02817676
Metering Positions
(A) Spool position at high pump pressure. (B) Spool position at low pump pressure.
Slight right movement and slight left movement is called metering. Metering is done by equal forces on the spool (13).With spool (13) in position A, pump pressure is greater than the combined force of spring (18) and the signal oil pressure in cavity (20). This forces spool (13) to move right.When spool (13) moves right, pressure oil flows past the spool. The oil then flows through passage (23). The oil flows past cutoff spool (12) and into passage (22). Oil flows through passage (22) to control piston (10). This action causes the pump to destroke.The area of control piston (10) is larger than the area of bias piston (4). This difference causes the oil force acting against control piston (10) to overcome the combined spring (6) force and oil acting against bias piston (4). Control piston (10) moves to the left. This causes swashplate (2) to move toward the minimum angle.As the angle of swashplate (2) decreases, pump output also decreases. When pump pressure decreases enough, the combined force of signal pressure in cavity (20) and spring (18) causes spool (13) to move into position B.When spool (13) moves left, the flow of pump output oil into passage (23) is blocked. Oil in passage (22) flows from control piston (10) past spool (12). The oil then returns to the case drain.Destroking
Illustration 4 g02737343
Pump and Compensator Operation
(1) Drive shaft
(2) Swashplate
(4) Piston
(6) Spring
(7) Pressure and flow compensator valve
(10) Control piston
(12) Pressure cutoff spool
(13) Margin pressure spool
(14) Case drain
(15) Passage
(16) Passage
(17) Spring
(18) Spring
(20) Cavity
(21) Passage
(22) Passage
(23) Cavity Destroking of the pump occurs because of decreased flow demand. The decreased flow demand is met by decreasing pump output. The decreased flow demand causes a signal pressure in cavity (20). The signal pressure combines with the force of spring (18). If the combination of signal pressure and spring force is less than the pump pressure force in passage (15). Spool (13) moves to the right.The oil behind control piston (10) cannot flow through passage (16) to case drain (14). Pump oil now flows through passage (23), past spool (12), through passage (22), and then to control spool (10).The pump pressure behind control piston (10) is now greater than the combined force of bias piston (4) and of bias spring (6). The angle of swashplate (2) decreases. This action decreases the pump output and the system pressure.When the lower flow requirements are met, margin pressure spool (13) moves left to the metering position. Swashplate (2) maintains an angle that is sufficient to provide a pressure equal to the highest steering cylinder pressure. If the operator does not turn the steering wheel, then the pump will return to low-pressure standby.Low Pressure Standby
Illustration 5 g02737345
Pump and Compensator Operation
(1) Drive shaft
(2) Swashplate
(4) Piston
(6) Spring
(7) Pressure and flow compensator valve
(10) Control piston
(12) Pressure cutoff spool
(13) Margin pressure spool
(14) Case drain
(15) Passage
(16) Passage
(17) Spring
(18) Spring
(20) Cavity
(21) Passage
(22) Passage
(23) Cavity Low-pressure standby constitutes the following conditions: a
Caterpillar parts catalog:
Parts fan Caterpillar catalog:
3E5454
FAN-ALTERNATOR
120H, 120H NA, 12H, 12H NA, 135H, 135H NA, 140H, 140H NA, 140K, 14H NA, 160H, 160H NA, 160K, 1673C, 215B, 3114, 3116, 3126, 3126B, 3176, 3176B, 3176C, 3196, 3208, 320B, 325B L, 3304, 3304B, 3306, 3306...
120H, 120H NA, 12H, 12H NA, 135H, 135H NA, 140H, 140H NA, 140K, 14H NA, 160H, 160H NA, 160K, 1673C, 215B, 3114, 3116, 3126, 3126B, 3176, 3176B, 3176C, 3196, 3208, 320B, 325B L, 3304, 3304B, 3306, 3306...
1006531
FAN-ALTERNATOR
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H, 163H NA, 16G, 16H, 16H NA, 24H, 3...
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H, 163H NA, 16G, 16H, 16H NA, 24H, 3...
2194055
FAN
3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C32, G3512E, G3516, G3516B, G3516C, G3516E, G3520C, G3520E, SR4BHV
3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C32, G3512E, G3516, G3516B, G3516C, G3516E, G3520C, G3520E, SR4BHV
2424251
FAN AS
3508, 3508B, 3512, 3512B, 3516, 3516B
3508, 3508B, 3512, 3512B, 3516, 3516B
2540051
FAN AS
3508, 3508B, 3512, 3512B, 3516, 3516B, 3516C
3508, 3508B, 3512, 3512B, 3516, 3516B, 3516C
4421528
FAN AS
3508B, 3512, 3512B, 3516B
3508B, 3512, 3512B, 3516B
2749365
FAN AS
3516B
3516B
2787681
FAN
3512, 3512B, 3512C, 3516, 3516B, 3516C, C32
3512, 3512B, 3512C, 3516, 3516B, 3516C, C32
4534756
FAN AS
3512
3512
4444270
FAN AS
3512, 3512B
3512, 3512B
4444269
FAN AS
3512B
3512B
2041330
FAN AS-BLOWER
3508B, 3512B, 3516B, PM3512
3508B, 3512B, 3516B, PM3512
1933128
FAN
3406E, 3456, C15
3406E, 3456, C15
1933129
FAN
3406E, 3456, C15, C18, PM3456
3406E, 3456, C15, C18, PM3456
1783570
FAN
3406E
3406E
1783569
FAN
3406E
3406E
2194055
FAN
3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C32, G3512E, G3516, G3516B, G3516C, G3516E, G3520C, G3520E, SR4BHV
3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C32, G3512E, G3516, G3516B, G3516C, G3516E, G3520C, G3520E, SR4BHV
2749365
FAN AS
3516B
3516B
3340915
FAN
3516C
3516C
3253795
FAN AS
3516C
3516C
4421528
FAN AS
3508B, 3512, 3512B, 3516B
3508B, 3512, 3512B, 3516B
2540051
FAN AS
3508, 3508B, 3512, 3512B, 3516, 3516B, 3516C
3508, 3508B, 3512, 3512B, 3516, 3516B, 3516C
2424251
FAN AS
3508, 3508B, 3512, 3512B, 3516, 3516B
3508, 3508B, 3512, 3512B, 3516, 3516B