Blueprint Reading 253
dharm
d:\N-Design\Des17-1.pm5
15°
38
57
R 12.5
X
15°
50
12.5
134
67
(^10) B
108
4 HOLES, M 10
DEEP 25
f 90
120 PCD
45°
A
R12
76
152
16
D
76
178
10
R12.5
95
47.5
63
4 HOLES, M 6
C
10
M20
50
RR 12.512.5
12.5
(^25102)
R10
Fig. 17.2 Pump housing
6. What is the size of the opening at the top?
—89mm × 50mm
7. What is the diameter of the gasket required for the front cover?
—144 mm
8. What is the corner radius of the top flange?
—R 10
9. Locate the centre point of tapped holes M 6.
—10mm × 10mm from the flange edges at each corner
10. Find the dimensions A, B, C and D.
—A = 9.5mm, B = 114mm, C = 9.5mm and D = 20mm
