Appendix - Belarus 1221B.2 Operator's Manual

BELARUS-1221.2/1221В.2/1221.3
SUPPLEMENT
Adjusting parameters of Д-260.2/Д-260.2S/Д-260.2S2 engine
Oil pressure in the lubrication system of warmed-up
engine at rated speed of crank shaft
Coolant temperature in coolant system
Alternator belt tension at 40 N (4 kgf) applied to the
belt mid-way between pulleys of alternator and of
crankshaft
Clearance between the rocker arm pane and a valve
plug end face on cold engine for valves
• intake valves
• exhaust valves
Injection timing angle before T.D.C.
Pressure at the beginning of injector nozzle needle
lifting
Tightening torque for main threaded joints:
• cylinder heads anchor bolts
• main bearings bolts
• nuts of crankpin bearings bolts
• flywheel mounting bolts
• balance weight mounting bolts
• injectors mounting bolts
• crankshaft pulley bolts
• centrifugal oil filter cap nuts
• mounting bolts of torque vibration damper
• air cleaner wing nuts
* With preliminary tightening torque 15...20 N•m (1,5...2,0 kgf•m).
** With fuel pump 363-40 or РР6М10Р1f respectively for Д-260.2S engines
*** For Д-260.2S2 engines
Designation Measuring unit
МPа
(kgf/cm
°С
mm
mm
mm
degrees
МPа
(kgf/cm
N•m
(kgf•m)
283
Supplement
Description
0,28-0,45
2
) (2,8-4,5)
80-95
29+4
0,25...0,30
0,40...0,45
20±1
)
(15±1)** or
16±1**/6±0,5***
21,6+0,8
2
) (220+8)/240+12***
190-210 (19-21)
220-240 (22-24)
100-120 (10-12)
160-180 (16-18)
100-120 (10-12)
30-35 (3,0-3,5)*
160-200 (16-20)
35-50 (3,5-5,0)
80-100 (8-10)
8-10 (0,8-1,0)
)
)