Nanni N4.40, Workshop Manual

Page: 157 / 175

ENGINE
03-M-E3B, 03-M-DI-E3B, 03-M-E3BG, WSM
1-S87
Oil Clearance of Balancer Shaft Journal (for Balancer Model
Only)
1. Measure the balancer shaft journal O.D. with an external
micrometer.
2. Measure the cylinder block bore I.D. for the balancer shaft with
an internal micrometer or cylinder gauge.
3. Calculate the oil clearance.
4. If the oil clearance is more than the allowable limit, replace the
balancer shaft.
M00000003ENS0129US1
Oil clearance of balancer
shaft journal 1
Factory spec.
0.0300 to 0.111 mm
0.00119 to 0.00437 in.
Allowable limit
0.20 mm
0.0079 in.
Balancer shaft journal 1
O.D.
Factory spec.
43.934 to 43.950 mm
1.7297 to 1.7303 in.
Balancer shaft bearing 1
I.D.
Factory spec.
43.980 to 44.045 mm
1.7315 to 1.7340 in.
Oil clearance of balancer
shaft journal 2
Factory spec.
0.0300 to 0.111 mm
0.00119 to 0.00437 in.
Allowable limit
0.20 mm
0.0079 in.
Balancer shaft journal 2
O.D.
Factory spec.
41.934 to 41.950 mm
1.6509 to 1.6515 in.
Balancer shaft bearing 2
I.D.
Factory spec.
41.980 to 42.045 mm
1.6528 to 1.6553 in.
Oil clearance of balancer
shaft journal 3
Factory spec.
0.020 to 0.094 mm
0.00079 to 0.0037 in.
Allowable limit
0.20 mm
0.0079 in.
Balancer shaft journal 3
O.D.
Factory spec.
21.947 to 21.960 mm
0.86406 to 0.86456 in.
Balancer shaft bearing 3
I.D.
Factory spec.
21.980 to 22.041 mm
0.86536 to 0.86775 in.
(1) Balancer Shaft Journal 3
(2) Balancer Shaft Journal 2 (3) Balancer Shaft Journal 1
KiSC issued 06, 2009 A