11-78
140-3 SERIES
STRUCTURE AND FUNCTION, MAINTENANCE STANDARD WATER PUMP
Unit: mm
No. Check item Criteria Remedy
1
Interference between impeller
and shaft
Standard
size
Tolerance
Standard
interference
Replace
Shaft Hole
16
–0.082
–0.095
–0.020
–0.150
0.025 –
0.068
2
Interference between drive gear
and shaft
28
+0.015
+0.002
–0.023
–0.053
0.025 –
0.068
3
Interference between pulley
flange and shaft
25
+0.015
+0.002
–0.021
–0.041
0.025 –
0.056
4
Clearance between impeller and
body
Standard clearance: 0.6 – 0.9 (Including end play)
5
Abrasion of seal ring in water
seal
Repair limit A: 1.5