Thermo King 919180, Руководство пользователя

Страница: 101 / 148

Refrigeration Service Operations
101
19. Lubricate the new seal cover o-ring with
compressor oil (see Tool Catalog) and install
on the seal cover.
20. Install the seal cover on the body and torque
screws to 100 to 110 in-lb (11.2 to 12.4 N•m).
Do not bump the hard ring into the end of the
shaft during assembly.
21. Install the Woodruff key and drive pulley.
Torque the pulley bolt to 30 to 35 ft.-lb (41 to
47 N•m).
.
Compressor Oil Filter Replacement
Thermo King recommends changing the
compressor oil filter when there is a major system
interruption, such as component replacement or
total loss of refrigerant charge. When the oil filter
is changed, Thermo King also recommends
changing the oil.
1. Recover refrigerant. Equalize pressure to
slightly positive.
2. Clean oil filter cover plate area of excess dirt.
3. Remove compressor stabilization bracket,
cover plate and spring, noting the location of
hex screws for proper installation.
4. Scrape gasket off compressor body and cover
plate.
5. Remove oil filter and o-ring.
6. Clean oil filter cavity of any noticeable debris.
7. Lubricate new o-ring with compressor oil.
8. Press oil filter and o-ring over stem in
compressor body until seated.
9. Lubricate new gasket with compressor oil.
10. Install spring, new gasket, cover plate, and
compressor stabilization bracket using hex
screws, torquing to 290 to 310 in-lb (34 to
36 N•m). Be certain to install hex screws in
their original location.
.
Scroll Compressor Oil Change
1. Recover refrigerant. Equalize pressure to
slightly positive.
2. Clean oil drain cap area (bottom and bottom
rear of compressor) of excess dirt.
3. Remove oil drain plug from bottom rear of
compressor to drain oil. Measure amount of
oil drained from compressor.
4. Remove two screws and oil drain cap from
compressor.
5. Scrape gasket from oil drain cap and body.
6. Remove spring, screen and screen cover from
body.
7. Clean screen and cover.
8. Replace screen cover, ensuring notch in cover
is aligned with notch in body.
9. Lubricate new gasket with compressor oil.
10. Replace screen, spring, gasket, oil drain cap
and screws.
11. Torque screws to 290 to 310 in-lb (34 to
36 N•m).
12. Lubricate o-ring on oil drain plug with
compressor oil.
13. Install oil drain plug and torque to 100 to
110 in-lb (11.2 to 12.4 N•m).
Parts List (Required)
Seal Cover O-ring See Tool Catalog
Use Seal Kit See Tool Catalog
Parts List (As Needed)
Torx Screws See Tool Catalog
Parts List (Required)
Oil Filter and O-ring See Tool Catalog
Gasket See Tool Catalog
Parts List (As Needed)
Cover Plate See Tool Catalog
Spring See Tool Catalog
Torx Screws See Tool Catalog