Mazda MX-5 1990 Workshop Manual page 798

TO
TECHNICAL DATA
U. HEATER AND AIR CONDITIONING SYSTEM
Item . Specifications
Refrigerant amount g (oz)
800 (28.24)
Compressor oil amount
cc (cc in) 80-100 (4.88-6.1)
Refrigerant normal pressure
kPa (kg/cm2, psi)
Low pressure: 147-294 (1.5-3.0
1
21-43)
High pressure: 1,177-1,619 (12.0-16.5,171-235)
STANDARD BOLT AND NUT TIGHTENING TORQUE
Diameter Pitch
4T
6T 8T
mm (in) mm (in) N·m m-kg ft-Ib N·m m-kg ft-Ib N·m
m-kg ft-Ib
6 (0.236) 1 (0.039) 4.2-6.2 0.43-0.63 3.1-4.6 6.9-9.8 0.7-1.0 5.0-7.2 7.8-11.8 0.8-1.2 5.8-8.8
8 (0.315) 1.25 (0.049) 9.8-14.7 1.0-1.5 7.2-10.8 16-23 1.6-2.3
12-17
18-26 1.8-2.7 13-20
10 (0.394) 1.25 (0.049) 20-28
2.0-2.9 14-21 31-46 3.2-4.7 23-34 36-54 3.7-5.5 27-40
12 (0.472) 1.5 (0.059)
34-50 3.5-5.1 25-37 55-80 5.6-8.2 41-59 63-93 6.4-9.5 46-69
14 (0.551) 1.5 (0.059)
-
- - 75-103 7.7-10.5 56-76 102-137 10-14 75-101
16 (0.630) 1.5 (0.059)
- - -
116-157 12-16 85-116 156-211 16-22
115-156
18 (0.709) 1.5 (0.059) -
-
- 167-225 17-23 123-166 221-299 23-31 163-221
20 (0.787) 1.5 (0.059)
- - -
231-314 24-32 171-231 308-417 31-43 227-307
22 (0.866) 1.5 (0.059)
- -
-
314-423 32-43 231-312 417-564 43-58 307-416
24 (0.945) 1.5 (0.059)
- -
-
475-546 41-56 298-403 536-726
55-74 396-536
-
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