How To Read This Manual - Takeuchi TB 175 Handbuch

Precautions for Service Work
(1) Precautions for Safety
Read the safety precautions given at the beginning of this manual carefully and always mind safety in work.
(2) Preparation for Service Work
Preparation is necessary for accurate, efficient service work. Check the customer ledger file for the history of
the engine.
• Preceding service date
• Period/operation hours after preceding service
• Problems and actions in preceding service
• Replacement parts expected to be required for service
• Recording form/check sheet required for service
(3) Preparation before Disassembly
• Prepare general tools, special service tools, measuring instruments, oil, grease, nonreusable parts, and
parts expected to be required for replacement.
• When disassembling complicated portions, put match-marks and other marks at places not adversely
affecting the function for easy reassembly.
(4) Precautions in Disassembly
• Each time a parts is removed, check the part installed state, deformation, damage, roughening, surface
defect, etc.
• Arrange the removed parts orderly with clear distinction between those to be replaced and those to be
used again.
• Parts to be used again shall be washed and cleaned sufficiently.
• Select especially clean locations and use clean tools for disassembly of hydraulic units such as the fuel
injection pump.
(5) Precautions for Inspection and Measurement
Inspect and measure parts to be used again as required to determine whether they are reusable or not.
(6) Precautions for Reassembly
• Reassemble correct parts in correct order according to the specified standards (tightening torques, and
adjustment standards). Apply oil important bolts and nuts before tightening when specified.
• Always use genuine parts for replacement.
• Always use new oil seals, O-rings, packing and cotter pins.
• Apply sealant to packing depending on the place where they are used. Apply of grease to sliding contact
portions, and apply grease to oil seal lips.
(7) Precautions for Adjustment and Check
Use measuring instruments for adjustment to the specified service standards.

How to Read this Manual

(1) Range of Operation Explanation
This manual explains the troubleshooting, installation/removal, replacement, disassemble/reassembly,
inspection, adjustment and adjusting operation procedures for the TNV series engines with direct injection
system.
Refer to the manufacturer's manual for each of the fuel injection pump, governor, starting motor and alternator
except for their installation.