WHAT IS A LIGHTNING STRIKE?.......................................................................................................1

Tigercat H855C/LH855C Harvester

SERVICING SAFETY PRECAUTIONS continued

The radiator and the engine cooling system should be cleaned and serviced daily to maintain moderate engine temperatures.

WARNING Safety

IMPORTANT

PRESSURIZED HYDRAULIC TANK.

34.5 kPa (5 psi) MAXIMUM. Before servicing hydraulic system, wearing eye protection, release air pressure from

tank using air vent valve. FILTER AIR VENT BREATHER VALVE HANDLE SCHRADER VALVE

MANIFOLD

WARNING, HOT FLUIDS AND HOT MACHINE SURFACES CAN CAUSE SERIOUS BURNS!

• Before servicing the machine, allow the engine cooling system, fuel system, exhaust system, hydraulic system and machine surfaces to cool down.

• Use a thermometer to check surface and system temperatures to ensure it is safe to begin service work. • DO NOT begin service work until the surface or system temperature has cooled to below 38°C (100°F).

845C-097 845C-001 AIR VENT EXHAUST

PRESSURE GAUGE After service is completed, close air vent valve and add air pressure from a clean air source to the hydraulic tank via the schrader valve. Do not exceed 34.5 kPa (5 psi). Refer to HYDRAULIC TANK PRESSURIZATION INSTRUCTIONS in SECTION 3 of THIS MANUAL for details.

Tigercat H855C/LH855C Harvester

SERVICING SAFETY PRECAUTIONS continued

Prior to welding on any part of the machine, the repair area should be cleaned and a fire extinguisher should be made available at the welding location. Care must be taken in attaching the welding machine grounding clamp so current does not pass through bearings, especially the swing bearing. Disconnect the negative (-) battery cable from all the batteries. This machine is equipped with sensitive electronic control equipment, prior to welding:-

DISCONNECT THE MULTI-PIN PLUG FROM THE XS2 MODULE

Safety

DISCONNECT THE TWO MULTI-PIN PLUGS FROM THE ENGINE ECU

855C-017 DISCONNECT 4 PIN ENGINE POWER CONNECTOR

ENGINE ECU DISCONNECT - LEFT SIDE OF ENGINE

Disconnect the engine ECU (Electronic Control Unit) by unplugging the four pin engine power connector and the two multi-pin connectors from the left side of the engine.

IMPORTANT

24 VOLT

ELECTRICAL SYSTEM

DISCONNECT THE TWO MULTI PIN CONNECTORS IN THE HARNESS

845D-001

CAB FUSE AND RELAY PANEL

Disconnect the IQAN XS2 Module multi-pin connector and the two multi-pin connectors in the wiring harness in the cab fuse and relay electrical cabinet.

DISCONNECT THE MULTI PIN PLUGS FROM THE XA2 MODULES

860C-402

Disconnect the multi-pin connectors on the XA2 Modules mounted on the fuel tank.