![background image](http://html.mh-extra.com/html/yanmar/3tnv-series/3tnv-series_service-manual_905550125.webp)
5. Lubrication System
5.5 Parts Inspection and Measurement
5.5.1 Trochoid pump inspection and measurement
(1) Outside clearance and side clearance of
outer rotor
Insert a gap gage between a outer rotor and a pump
body, and measure the clearance.
Outside clearance mm
Model Standard Limit
3TNV82A 88 0.12 0.21 0.30
4TNV94L/98 0.100 0.155 0.25
4TNV106(T) 0.100 0.165 0.25
When measuring a side clearance, put a right-angle
gage to the pump body, insert a gap gage and
measure the clearance.
Side clearance mm
Model Standard Limit
3TNV82A 88 0.02 0.07 0.12
4TNV94L/98 0.05 0.10 0.15
4TNV106(T) 0.03 0.12 0.17
(2) Inner rotor and gear boss clearance (3TNV82A-4TNV88)
Item Part
Standard
dimension
(mm)
Standard
clearance
(mm)
Standard
clearance
limit
(mm)
Gear boss diameter
53.05 53.15
Inside clearance
of inner rotor
Rotor inner diameter
53.45 53.55
0.3 0.5 0.6
Width across flat of gear boss
49.45 49.75
Width across flat
clearance of inner rotor
Width across flat of rotor
49.95 50.05
0.2 0.6 0.7
110
Summary of Contents for 3TNV Series
Page 1: ...4TNV106 4TNV106T 4TNV94L 4TNV98 4TNV98T 3TNV82A 3TNV84 T 4TNV84 T 3TNV88 4TNV88 ...
Page 31: ...1 General 1 4 Engine External Views 16 ...
Page 32: ...1 General 1 5 Structural Description 17 ...
Page 156: ...9 Starting Motor 9 1 2 Components 141 ...
Page 157: ...9 Starting Motor 9 1 3 Troubleshooting 142 ...
Page 172: ...9 Starting Motor 9 2 3 Troubleshooting 157 ...
Page 175: ...9 Starting Motor 2 Removal of magnetic switch Remove the M6 bolts 10mm 2 160 ...
Page 185: ...9 Starting Motor 3 Brush 1 Check wear of the brush and the brush spring force 170 ...
Page 194: ...10 Alternator 179 10 1 6 Troubleshooting ...
Page 195: ...11 Electric Wiring 180 11 ELECTRIC WIRING 11 1 Electric Wiring Diagram ...
Page 213: ......