Combination No. : F 002 A2Z A09
Injection pump : PES 4 A 85 D 320 RS 2000
Governor : RSV 400…950 A 5 C 1592 R
Customer : MAHINDRA
Engine model : 415DI TREM IIIA
Engine code : –
Application : TRACTOR
TEST BENCH REQUIREMENTS
Test oil inlet temperature : 38°-42°C
Overflow valve : F002A10627
Inlet pressure in bar : 1.5
Test injector : 0681343009
Opening pressure in bar : 172.0-175.0
High pressure pipe : 6X2X600
(ODXIDxlength) in mm
(A) CALIBRATION OF PUMP WITHOUT GOVERNOR ACTION
Direction of rotation : Clockwise
Prestroke in mm : 3.65-3.75(3.6-3.8)
Control rack position in mm : 9.0-12.0
Cam sequence : 1-3-4-2
Cam displacement : 0-90-180-270° ±0.5°
Tappet clearance in mm : min 0.2
Injection Timing locking : –
BASIC SETTING
Speed-min-1 (rpm) : 950
Control rack travel in mm : 9.95-10.05
Delivery quantity(x ) : 4.9-5.2
in cm³/100 strokes
Maximum spread in cm³ : 0.3(0.7)
Speed-min-1 (rpm) : 400
Control rack travel in mm : 6.9-7.1
Delivery quantity(x ) : 0.7-1.1(0.5-1.3)
in cm/100 strokes
Maximum spread in cm³ : 0.5(0.7)
(B) ADJUSTMENT OF PUMP AND GOVERNOR
GUIDE SLEEVE TRAVEL
Control lever position : Free
Speed-min-1 (rpm) : 800
Control rack travel in mm : 0.3-0.7
1.MAXIMUM SPEED CONTROL (RATED SPEED)
(without supplementry idling spring)
Control lever position : 45.0±4.0°
Speed-min-1 (rpm) : 500
Boost pressure in bar : –
Control rack travel in mm : 11.0-11.2
Speed-min-1 (rpm) : 950
Boost pressure in bar : –
Control rack travel in mm : 9.95-10.05
Speed-min-1 (rpm) : 990-1000
Boost pressure in bar : –
Control rack travel in mm : 9.0
Speed-min-1 (rpm) : 1035-1065
Boost pressure in bar : –
Control rack travel in mm : 4.0
Speed-min-1 (rpm) : 1200
Boost pressure in bar : –
Control rack travel in mm : 0.3-1.4
2.FULL LOAD DELIVERY
Speed-min-1 (rpm) : 950
Boost pressure in bar : –
Control rack travel in mm : 9.95-10.05
Delivery quantity(x ) : 25.0-25.5(24.0-26.5)
in cm³/500 strokes
Maximum spread in cm³ : 1.5(3.5)
3.TORQUE CONTROL
Speed-min-1 (rpm) : 500
Boost pressure in bar : –
Control rack travel in mm : 11.0-11.2
Speed-min-1 (rpm) : 700
Boost pressure in bar : –
Control rack travel in mm :11.0-11.2
Speed-min-1 (rpm) : 500
Boost pressure in bar : –
Control rack travel in mm : 11.0-11.2
Speed-min-1 (rpm) : 700
Boost pressure in bar : –
Control rack travel in mm : 11.0-11.2
Speed-min-1 (rpm) : –
Boost pressure in bar : –
Control rack travel in mm : –
Speed-min-1 (rpm) : 950
Boost pressure in bar : –
Control rack travel in mm : 9.95-10.05
Contd…2
Provisional
4. COURSE OF DELIVERY
Speed-min-1 (rpm) : 500
Boost pressure in bar : –
Delivery quantity(x ) : 21.5-23.0(20.5-24.0)
in cm³/500 strokes
Maximum spread in cm³ : 2.0(4.0)
Speed-min-1 (rpm) : 700
Boost pressure in bar : –
Delivery quantity(x ) : 25.25-26.75(24.25-27.75)
in cm³/500 strokes
Maximum spread in cm³ : 2.0(4.0)
Speed-min-1 (rpm) : 800
Boost pressure in bar : –
Delivery quantity(x ) : –
in cm³/500 strokes
Maximum spread in cm³ : –
Speed-min-1 (rpm) : –
Control rack travel in mm : –
Delivery quantity(x ) : –
in cm³/500 strokes
Maximum spread in cm³ : –
5. IDLING SPEED CONTROL (RATED SPEED)
Control lever position : 23.0±4.0°
Speed-min-1 (rpm) : 400
Control rack travel in mm : 6.9-7.1
Speed-min-1 (rpm) : 100
Control rack travel in mm : Minimum 19.0
Speed-min-1 (rpm) : 400
Control rack travel in mm : 6.9-7.1
Speed-min-1 (rpm) : 495-555
Control rack travel in mm : 2.0
6.MAXIMUM SPEED CONTROL (RATED SPEED)
(with supplementary idling spring)
Speed-min-1 (rpm) : –
Control rack travel in mm : –
7. GOVERNOR CUTTING IN SPEED
Speed-min-1 (rpm) : 990-1000
Boost pressure in bar : –
Control rack travel in mm : 9.0
While over checking ,if the cutting speed is above the rated speed and if,
-the delivery values are within the overchecking tolerance
-control rack remains at full load position even at 50 min
(rpm) less than the rated speed
the cutting-in speed should be declared OK.
8. DEGREE OF IRREGULARY
Speed-min-1 (rpm) : 1045-1075
Boost pressure in bar : –
Control rack travel in mm : 4.0
No of notches : 16.0
9. STARTING TRAVEL
Speed-min-1 (rpm) : –
Control rack travel in mm : –
Delivery quantity(x ) : –
in cm³/500 strokes
10.STARTING FUEL DELIVERY
Speed-min-1 (rpm) : 100
Control rack travel in mm : 16.0-16.5
Delivery quantity(x ) : –
in cm³/100 strokes