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8-23
62-11039
k. Install mounting bolts in service valves and torque ac-
cording to values in Table 8-3.
l.Attach two hoses (with hand valves near vacuum
pump) to the suction and discharge service valves.
Dehydrate and evacuate compressor to 500 microns
(29.90 inches Hg = 75.9 cm Hg vacuum ).
Turn off
valves on both hoses to pump.
m.Fully backseat (open) both suction and discharge
service valves.
n. Remove vacuum pump lines.
o. Start unit and check refrigerant charge. (Refer to sec-
tion 8.10)
p. Change filter-drier if necessary. (Refer to section
8.16)
q. Check compressor oil level per section 8.14.4. Add oil
if necessary.
8.14.2 Compressor Disassembly
a. Remove cylinder head capscrews. If the cylinder
head is stuck, tap the center of the cylinder head with
a wooden or lead mallet. DO NOT STRIKE THE SIDE
OF THE CYLINDER HEAD! Be careful not to drop the
head or damage the gasket sealing surface. (See
Figure 8--22 and Figure 8--23)
Remove cylinder
head gasket.
b. Remove valve stops and valves. After they have been
removed, free the valve plate from the cylinder deck
by using the outside discharge valve hold-down caps-
crew as a jack screw through the tapped hole of the
valve plate. Remove the valve plate gasket, see
Figure 8--23, item 7
8.14.3 Compressor Reassembly
To clean compressor parts, use a suitable solvent with
proper precautions. Coat all moving parts with the prop-
er compressor oil before assembly. Refer to Table 8-3
for applicable compressor torque values.
a. Suction and discharge valves
If the valve seats look damaged or worn, replace valve
plate assembly. Always use new valves because it is dif-
ficult to reinstall used discharge valves so that they will
seat properly. Any valve wear will cause leakage for this
reason.
Suction valves are positioned by dowel pins (See
Figure 8--24) and will assume their original position
when reinstalled. No two valves are likely to wear in ex-
actly the same way. Never interchange used valves.
Do not omit the suction valve positioning springs. (See
Figure 8--24) Place the springs so that the ends bear
against the cylinder deck (middle bowed away from cyl-
inder deck). Use new gaskets when reinstalling valve
plates and cylinder heads. Torque cylinder heads in a
cross pattern in staged ten ft lb increments according to
values in Table 8-3.
Figure 8--23 Exploded view of valve plate
1. Cylinder Head Gasket
2. Discharge valve screw and lockwasher
3. Discharge valve stop
4. Discharge valve
5. Valve plate
6. Valve plate assembly
7. Valve plate gasket
JACK HERE
1
2
3
4
5
6
7
7
1. Suction valve
2. Suction valve positioning spring
3. Valve plate dowel pin
Figure 8--24 Suction valve & positioning
springs
1.
2.
3.
Summary of Contents for VECTOR 1800 MT
Page 1: ......
Page 2: ...OPERATION SERVICE MANUAL for VECTOR 1800 MT Trailer Multi Temp Refrigeration Units ...
Page 19: ...1 5 62 11039 1 3 SAFETY DECALS ...
Page 20: ...1 6 62 11039 62 03958 00 Heat Warning 62 03957 01 High Voltage 62 60280 00 Standby Safety ...
Page 21: ...1 7 62 11039 ...
Page 303: ...10 1 62 11039 ...
Page 310: ...10 8 62 11039 BASED ON ENGINEERING SCHEMATIC 62 60926 REV G NEXT SHT ...
Page 311: ...10 9 62 11039 FROM PREVIOUS SHT ...