Drive Belt and Alternator Belt,
Inspection
Inspections must be carried out after operations, while
the belts are hot.
You should be able to depress the alternator belt and
the drive belt about 3-4 mm between the pulleys.
The alternator belts and drive belts have automatic belt
tensioners and do not need to be adjusted.
Check the condition of the drive belts. Replace as nec-
essary; refer to
Alternator Belt, Change page 60
and
.
Alternator Belt, Change
IMPORTANT!
Always change a drive belt which appears worn or
cracked.
1 Disconnect the main switch(es) and check that the
engine is not connected to system voltage.
2 Remove the fan guard and fan ring round the cool-
ing fan.
3 Remove the belt guard.
4 Insert a 1/2” square wrench in the belt tensioner (1).
Lift the wrench up and lift the water pump drive belt
off.
5 Insert a 1/2” square wrench in the belt tensioner (2).
Press the wrench down and remove the alternator
belts.
6 Check that the pulleys are clean and undamaged.
7 Press the 1/2” wrench in the belt tensioner (2) down
and install the new alternator drive belt.
8 Lift the 1/2” wrench in the belt tensioner (2) and
install the new water pump drive belt.
9 Install the belt guards.
10 Install the fan guard and fan ring round the cooling
fan.
11 Start the engine and do a function check.
1
2
P0002084
TAD1640GE, TAD1641GE, TAD1642GE, TAD1650GE, TAD1651GE, TAD1641VE,
TAD1642VE, TAD1643VE, TAD1650VE
TWD1643GE
Maintenance
60
7748681 12-2011
188/297
Summary of Contents for R570U
Page 1: ...User and maintenance manual for generating sets R570U 33504081501NE_1_1 ...
Page 15: ...Alternator Cabinet Figure 1 3 Examples of identification plates 13 297 ...
Page 18: ...Sockets voltage 208 120V 16 297 ...
Page 125: ...9 Appendix 9 1 Appendix A Engine user and maintenance manual 123 297 ...
Page 126: ...124 297 ...
Page 128: ...126 297 ...
Page 129: ...OPERATOR S MANUAL Generating set and industrial engines 16 liter EMS 2 127 297 ...
Page 159: ...157 297 ...
Page 218: ...216 297 ...
Page 220: ...218 297 ...
Page 222: ...7748681 English 12 2011 220 297 ...
Page 223: ...9 2 Appendix B Alternator user and maintenance manual 221 297 ...
Page 224: ...222 297 ...
Page 226: ...224 297 ...
Page 250: ...www leroy somer com 248 297 ...
Page 261: ...Installation and maintenance R250 A V R 4067 en 2009 05 b LEROY SOMER 11 259 297 ...
Page 281: ...2012 03 e LEROY SOMER 19 Installation and maintenance R 450 AVRs 4531 en 279 297 ...
Page 282: ...www leroy somer com 280 297 ...