SERVICE PROCEDURES — Refrigerant Lines (Cont'd) — R.H.D. Model
HA-31parts diagramRefrigerant Lines (Cont'd) — R.H.D. MODEL
Refrigerant-line tightening torques (R.H.D. wrench markers)
A
Wrench size (mm)24/27
N·m20 - 29
kg-m2.0 - 3.0
ft-lb14 - 22
Applies toCooling-unit suction-line / compressor-line A junctions
A
Wrench size (mm)22/24
N·m20 - 29
kg-m2.0 - 3.0
ft-lb14 - 22
Applies toCompressor-side A junction
A
Wrench size (mm)17/24
N·m20 - 29
kg-m2.0 - 3.0
ft-lb14 - 22
Applies toReceiver-drier inlet (top)
B
Wrench size (mm)—
N·m15 - 25
kg-m1.5 - 2.5
ft-lb11 - 18
Applies toHigh-pressure discharge service valve / expansion-valve fittings
C
Wrench size (mm)17/19
N·m10 - 20
kg-m1.0 - 2.0
ft-lb7 - 14
Applies toCooling-unit low-pressure flare; condenser-to-receiver-drier
—
Wrench size (mm)—
N·m13 - 16
kg-m1.3 - 1.6
ft-lb9 - 12
Applies toCompressor mounting / accessory bracket fasteners [?]
