Perkins 103-06, Руководство по ремонту

Страница: 69 / 80

Standard Standard To Be Allowable
Inspection items Dimension Value Repaired Limit Remarks
CRANKSHAFT (Continued)
O.D x I.D- of bush (journal metal) 47 x 43
(1.85 x 1.69")
Under size (0.25, 0.5)
(.01,.02")
Crush height of bush (journal metal) 0.05-0.09
(.002-.0035")
500kg
(1102.3lbs)
Clearance between crankshaft and
journal metal (bush)
0.035-0.088
(.0014-.0035")
0.2
(.008")
Oil clearance
O. D. x I. D. of center bearing 47 x 43
(1.85 x 1.69")
Undersize (0.25, 0.5)
(.01, 0.2")
Clearance between crankshaft journal
and center bearing
0.035-0.088
(.0014-.0035")
0.2
(.008")
Oil clearance
Crush height of center bearing 43
(1.693")
+0.015-+0.055
(+.0006
..
+0022")
300kg
(661.4lbs)
Crush height of center bearing 46
(1.811")
0-+0.055
(0-+.0022")
300kg
(661.4lbs)
VALVE SYSTEM
CAMSHAFT
Height
of cam
For intake/exhaust 26.565-26.620
(1.0459-1.0480")
26.1
(1.028")
For injection pump 34.48-34.52
(1.3575-1.3591")
34.3
(1.389")
For feed pump
PB126
27.9-28.0
(1.0984-1.1024")
27.0
(1.063")
Backlash of cam gear 0.08
(.0031 ")
0.25
(.010")
VALVE
Diameter of intake valve stem 5.960-5.975 5.9
(.2346-.2352") (.2323")
Diameter of exhaust valve stem 5.940-5.955 5.9
(.2339-.2344") (.2323")
Inlet 0.025-0.052 more than 0.2
Clearance between valve (.001 -.002") (.008")
stem and alve guide Exhaust 0.045-0.072 more than 0.25
(.0018-.0028") (.010")
Thickness of valve 1.0 0.925-1.075 0.5
(.04") (.0364-.0423") (.020")
PB127 -
T-Valve clearance (intake/exhaust) 0.2 0.5 When cold
(.008") (.020")
Spring strength (at 28.3mm 6.9 6.0
compressed length) kg (15.211 bs) (13.2Ibs)
Valve Free length 33 31.5
spring
y
(1.299")
i
(1.240")
Squareness X--- less than 1.0 1.2
(.04") (.05")
PB128