TM 5-3805-280-24-2
Camshaft, Balancer Shafts and Timing Gear Train
INSPECT AND MEASURE CAMSHAFT
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BUSHING ID AND JOURNAL OD
All engine camshafts have a (replaceable) bushing
installed in No. 1 (front) camshaft bore.
1. Measure camshaft journals. If a camshaft journal is
damaged or does not meet specification, install a new
camshaft.
Camshaft Journal--Specification
OD ............................................................................. 55.872--55.898 mm
(2.1997--2.2007 in.)
Camshaft Bore, Front No. 1 in Block (Without
Bushing)--Specification
ID ............................................................................... 59.961--59.987 mm
(2.3607--2.3617 in.)
Camshaft Bore, Front No. 1 in Block (With Bushing)--Specification
ID ............................................................................... 55.961--55.987 mm
(2.2031--2.2042 in.)
Camshaft Bore, All Except No. 1--Specification
ID ............................................................................... 55.986--56.012 mm
(2.2042--2.2052 in.)
Camshaft Journal-to-Bushing, No.1 Bore (With
Bushing)--Specification
Oil Clearance................................................................. 0.063--0.115 mm
(0.0025--0.0045 in.)
Camshaft Journal-to-Bushing, All Except No.1 Bore--Specification
Oil Clearance................................................................. 0.088--0.140 mm
(0.0035--0.0055 in.)
2. Measure camshaft bushing ID and remaining bores in
cylinder block. If camshaft bore is damaged or is not
within specification, have a qualified machine shop
install new bushings.
If No. 1 camshaft bushing ID does not meet specifications,
replace camshaft bushing. (See REMOVE AND INSTALL
CAMSHAFT BUSHING earlier in this group.)
RG,16,DT7497 1914NOV971/1
13-259