Branson 4015r User Manual

2
-
112
42hW-201601
CHAPTER 2 ENGINE 3015R(h)/3515R(h)/4015R(h)/F36R(h)/F42R(h) TRACTOR
7.3 SERVICE DATA
7.3.1 CYLINDER HEAD
ITEM STANDARD LIMIT NOTE
Cylinder head combustion
below 0.03 0.15
surface distortion
Valve seat angle
Intake 120° -
Exhaust 90° -
Valve seat width
Intake 1.73 2.23
Exhaust 2.12 2.62
Intake valve
Valve stem outer dia. Ø 7.96 ~ Ø 7.97 Ø 7.9
Valve guide inner dia. Ø 8.010 ~ Ø 8.025 Ø 8.1
Oil clearance
0.040 ~ 0.055 0.15
Exhaust valve
Valve stem outer dia. Ø 7.96 ~ Ø 7.97 Ø 7.9
Valve guide inner dia. Ø 8.010 ~ Ø 8.025 Ø 8.1
Oil clearance
0.040 ~ 0.055 0.15
Valve guide projection(from head surface) 13 -
Valve sinking depth
Intake valve 0.7
1
Exhaust valve 0.7
Thickness of valve head
Intake valve 1.2
0.5
Exhaust valve 1.2
Intake valve timing
Open b. TDC 9° ~ 19°
-
Close a. BDC 37° ~ 47°
Exhaust valve timing
Open b. BDC 37° ~ 47°
Close a. TDC 9° ~ 19°
Valve spring
Free length 46.1 -
Inclination - 1.2
Tension (when
compressed to 1mm
length)
1.883 -
Intake & Exhaust valve clearance
0.15 ~ 0.25 0.25 ~ 0.35 -

Branson 4015r Specifications

General

Brand	Branson
Model	4015r
Category	Tractor
Language	English