Lehman SP225 User Manual

A1 0
Specifications
TYPE 254 cu/in. 4 Cyl. 380 cu/in. 6 Cyl. 363 cu/in 6 Cyl. Turbo.
MODEL 4 CYCLE, OVERHEAD VALVE, DIRECT INJECTION
MODEL (LEHMAN)
2722E 2725E 2728E 2728E
COMPRESSIONPRESSUREMIN
and 6 Cyl. TurboAnt.
SP90 SP135 SP185 SP225/SP275
~3001bs per sq. in in1 at 215 rpm +. 80 PSI between Cyl .
FIRING ORDER 1 - 2 - 4 - 3 1-5-3-6-2-4 1 - 5 - 3 - 6 - 2 - 4
CRANKSHAFT
ROTATATION c.c.w fcw&m fl\nrihnnl __
GOVERNED SPEED (Max) NO LOAD 2850
UNDER LOAD 2600
IDLING SPEED
t -
EXHAUST SIZE 3.5” ID HOSE: ISE
EXHAUST BACK PRESSURE (Max) 1 1h Ib/sc -
COLD START Auto Excess fuel device
VALVES Free turr
-
VALVE CLEARANCE (hot/cold) Inlet & Exhaust 0.015’ 3”
PISTONS Aluminium allo! -
COMBUSTION CHAMBER
PISTON RINGS 2 Compression; 1 Oil control. 3 compression
-
+ 1 oil control
CAMSHAFT
CRANKSHAFT Steel forging
MAIN BEARINGS
5 7 7
LUBE SYSTEM:
MIN OIL PRESSURE 41 PSI at 1600 RPM
& 47 at 2000 RPM
Machined in piston crown
Cast iron alloy; Gear driven
OIL TEMPERATURE (range)
165 - 230°F
LUBRICANT
Above
909 ambient SAE 30
20
to 90”f ambient SAE 20W/20
Below 309 ambient SAE 1OW
OIL COOLER
TIMING
INJECTORS 4 hole
t! -
PRESSURE ~SP275 - Test Pressure 265/275 -
FUEL LIFT PUMP
OPERATING TEMP. 82“
- 94°C
MAXIMUM TEMP.
99°C- -
C I RC U LATlON 159 liters/min. 180 liters/min
SUGGESTED BATTERY 120 AMP/HR
LOCKTORQUE 37.5 ft/lbs., 1240 amp. draw Max
RUNNING TORQUE
HEAT EXCHANGER
RAW WATER PUMP
MANIFOLD, EXHAUST
MANIFOLD, INTAKE Integral with exhaust
AIR FILTER ELEMENT Polyurethane, 40 pore, replaceable. Wire Mesh
ENGINE MOUNTINGS Rubber compound, adjustable
FUEL LINE
3/8” Recommended. Reduce to 5/16” at engine
TACHOMETER ADAPTOR
FAN
BELTTENSION 1/2 free movement
Shell and tube type heat exchanger
22O BTDC No. 1 niston
22“ BTDC No. 1 piston
24” BTDC No. 1 Diston*
Diaphragm with hand priming IL - _.
- . -
15ftAbs 690 amp Draw Max
Shell and tube type, 2 pass
Bronze, single impeller type, gear driven
Gray iron, fresh water, cooled
;Turns C.C.W. at 1/2 engine speed. Adapts to 7/8” - 18 ferrule.
*May be adjusted in certain conditions to 20” BTDC No. 1 Piston

Lehman SP225 Specifications

General

Brand	Lehman
Model	SP225
Category	Engine
Language	English