2006/07/24 Caterpillar

Track Feller Buncher:

511 (S/N: 5111-UP)

521 (S/N: 5211-UP)

522 (S/N: 5221-UP)

532 (S/N: 5321-UP)

541 (S/N: 5411-UP)

551 (S/N: 5511-UP)

552 (S/N: 5521-UP)

TK711 (S/N: 1011-UP)

TK721 (S/N: 1021-UP)

TK722 (S/N: 1031-UP)

TK732 (S/N: 1041-UP)

TK741 (S/N: 2021-UP)

TK751 (S/N: 3011-UP)

TK752 (S/N: 3021-UP)

Testing and Adjusting, RENR6284, "TK711, TK721, TK722, and TK732 Track Feller Buncher Machine System", "Piston Pump Low Pressure Standby - Test". This module is part of Service Manual, RENR6280.Testing and Adjusting, RENR6292, "TK741, TK751, and TK752 Track Feller Buncher Machine System", "Piston Pump Low Pressure Standby - Test". This module is part of Service Manual, RENR6288.Testing and Adjusting, RENR8918, "511, 521, 522, and 532 Track Feller Buncher Machine System", "Piston Pump Low Pressure Standby - Test". This module is part of Service Manual, RENR8914.Testing and Adjusting, RENR8927, "541, 551, and 552 Track Feller Buncher Machine System", "Piston Pump Low Pressure Standby - Test". This module is part of Service Manual, RENR8923.

The step that provides the pressure specification is incorrect. The correct step follows.

Record the reading on the display. The standby pressure for the left pump and the right pump should be between 3800 kPa (550 psi) and 4500 kPa (650 psi). If the pressure is incorrect, shut off the engine.