HOW TO READ THIS MANUAL This manual consists of the following parts: Specifications Structure and Operation Troubleshooting General Inspection and Adjustment Service procedures General Inspection and Adjustment Procedures for inspection and adjustment of individual parts and assemblies as mounted on the machine are de- scribed including specific items to check and adjust. Specified or otherwise, inspection should be performed for looseness, play, backlash, crack, damage, etc. Service procedure Procedures for servicing components and parts off the machine are described centering on key points in their re- moval, installation, disassembly, reassembly, inspection, etc.
Inspection Check items subject to “acceptable/unacceptable” judgement on the basis of service standards are all given. Some routine visual checks and cleaning of some reused parts are not described but must always be included in actual service work. Caution This service manual contains important cautionary instructions and supplementary information under the follow- ing four headings which identify the nature of the instructions and information: NOTE Suggestions or supplementary information for more efficient use of equipment or better understandings.
Terms and Units Front and rear The forward running direction of the machine is referred to as the front and the reverse running direction is re- ferred to as the rear. Left and right Left hand side and right hand side, when facing the forward running direction of the machine, are respectively left and right. Standard value Standard value dimensions in designs indicating: the design dimensions of individual parts, the standard clear- ance between two parts when assembled, and the standard value for an assembly part, as the case may be. Limit When the value of a part exceeds this, it is no longer serviceable in respect of performance and strength and must be replaced or repaired.
00-2 DANGER Precautions that should be taken in handling potentially dangerous substances such as battery fluid and coolant additives. WARNING Precautionary instructions, which, if not observed, could result in serious injury or death. CAUTION Precautionary instructions, which, if not observed, may result in damage to or de- struction of equipment or parts.