PB_618

Title:
Arrow XT Air Conditioning Gravity Drains
Number:
PB_618
Release Date:
6/16/2023
Revision Number:
Not Applicable
Revision Date:
Not Applicable
Chassis Type:
Arrow XT
Component Description:
Gravity Drain for Arrow XT A/C system
Warranty:
Not Applicable
Parts:
See chart below
Tools:
Not Applicable
Subject:
This bulletin provides the parts needed and reference work instructions for installing the gravity drains on 2010 or
newer Arrow XT’s with the following air conditioning system sales options:
Sales Option Code
Sales Option Description
Air Conditioning, Arrow-XT 2010
Air Conditioning, Arrow-XT 2010, EZ-Clip
0603353
0789344
Purpose:
In Arrow XT custom chassis, the A/C condensation pan may overflow and drip on driver and occupants.
Previously, an engineering review was required before modifying the cabin. This bulletin streamlines the process
and an engineering review is no longer required.
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PARTS BULLETIN 618
Description/Procedure:
Order the following piece parts individually:
NOTE: Parts in this table are listed in the order of installation.
Quantity
1
1
1
1
1
2
11
10
10
6
11
11
1
1
6
3
3
6
9
9
16
2
1
1
1
2
1
1
1
1
Unit of Measure
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
FT
EA
EA
EA
EA
EA
EA
EA
EA
EA
Part Number
2888526
2841440
2044885
3180099
3180252
82-0257-0002
1735660-0002
82-0429-0100
82-0418-0002
82-0386-0025
82-0418-0002
82-0429-0100
2044876
2841118
1735660-0002
82-0429-0100
82-0418-0002
82-0386-0025
82-0418-0002
82-0429-0100
2504490
59-0793
2087909
2076675
2845733
2515854
2845421
2845423
2846480
2846479
Component Description
EVAPORATOR ASSY,LOW PROFILE
LINER,SIDE WALL,FRT,RH
LINER,BACKING,SIDE WALL,RR,RH
LINER,SIDE WALL,FRT,BOTTOM,RH
LINER,BLISTER,BOTTOM,RH
INSERT,THREADED,.25-20,STEEL
INSERT,THREADED,.25-20,STEEL
SCREW,.25-20,PH PAN HD,BLKZN
WASHER,FLAT,NYLON,MOLDED BLACK
NUT,CAGE,LONG,PLN,SNGLE THD
WASHER,FLAT,NYLON,MOLDED BLACK
SCREW,.25-20,PH PAN HD,BLKZN
LINER,BACKING,SIDE WALL,RR,LH
LINER,SIDE WALL,FRT,LH
INSERT,THREADED,.25-20,STEEL
SCREW,.25-20,PH PAN HD,BLKZN
WASHER,FLAT,NYLON,MOLDED BLACK
NUT,CAGE,LONG,PLN,SNGLE THD
WASHER,FLAT,NYLON,MOLDED BLACK
SCREW,.25-20,PH PAN HD,BLKZN
HOSE,GRAVITY DRAIN KIT
ELBOW,90 DEG,A/C DRAIN HOSE
DIVERTER ASSY,EVAP COVER,AC
KIT,INSULATION,EVAP COVER
COVER,EVAPORATOR,WLDMT
FILTER,AIR INTAKE,EVAPORATOR
COVER ASSY,GRAV DRAIN,FRT,LH
COVER ASSY,GRAV DRAIN,FRT,RH
COVER,GRAVITY DRAIN,RR,LH
COVER,GRAVITY DRAIN,RR,RH
Find No.
47
49
49
49
49
49
49
49
49
50
52
53
54
54
54
54
54
55
57
58
59
60
62
62
62
62
63
N/A
67
N/A
Arrow XT A/C Gravity Drain
NOTE: The instructions below are for reference only. Dimensions and changes required for your specific
application may vary from the information below. Please read instructions thoroughly before
attempting this change in the field. Pierce is not responsible for damage or modifications to the
unit cause by improper installation.
•
Use only refrigerants approved by Pierce Manufacturing for your air conditioning system. Some
unapproved refrigerants are flammable and can explode, causing injury to personnel. Other
unapproved refrigerant can cause the system to fail, requiring costly repairs.
•
The air conditioning system contains refrigerant under high pressure. To avoid risk of personal
injury or damage to the system, adding refrigerant or any repair requiring lines to be disconnected
should be done by a certified repairman.
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PARTS BULLETIN 618
•
Air conditioning system contains R134A:
o Avoid breathing refrigerant and lubricant vapor or mist;
o Exposure may irritate eyes, nose and throat;
o To remove R134A from air conditioning system, use equipment certified to meet SAE
J2210;
o If R134A discharge occurs, ventilate work area before resuming service;
o Additional health and safety information may be obtained from refrigerant and lubricant
manufacturers.
1. Attach “DO NOT START” tag to vehicle ignition switch.
2. Turn battery switches OFF (if equipped) or disconnect batteries. Refer to “Battery Connect/Disconnect,” Group
0925-P-001.
3. Evacuate refrigerant. Refer to “Operator’s Manual and Service Manual.”
4. Remove five screws (2), washers (3), and cover (1) from cover (4).
5. Repeat step 2 for passenger side.
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PARTS BULLETIN 618
6. Remove three screws (5), washers (6), and cover (7) from wireway (8) and evaporator cover (9).
7. Repeat step 4 for passenger side.
8. Remove 16 screws (10) and evaporator cover (9) from evaporator (11).
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PARTS BULLETIN 618
9. Remove four screws (12) and cover (13) from roof (14).
10. Remove four screws (15) and cover (16) from roof (14).
11. Remove three screws (17) and cover (18) from roof (14).
12. Remove nine screws (19), washers (20), and front LH wireway (21) from sidewall (22).
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PARTS BULLETIN 618
13. Remove four screws (23) and cover (24) from roof (25).
14. Remove four screws (26) and cover (27) from roof (25).
15. Remove three screws (28) and cover (29) from roof (25).
16. Remove eleven screws (30), washers (31), and front RH wireway (32) from sidewall (33).
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PARTS BULLETIN 618
17. Disconnect connector (34) from connector (35).
18. Disconnect connector (36) from connector (37).
19. Disconnect connector (38) from connector (39).
20. Disconnect A/C line (40) from A/C line (41).
21. Disconnect A/C line (42) from A/C line (43).
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22. Remove eight screws (44), lockwashers (45), washers (46), and evaporator (47) from roof (48).
23. Install evaporator (47) (Pierce P/N 2888526) on roof (48) with eight washers (46), lockwashers (45), and
screws (44).
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24. Connect A/C line (42) to A/C line (43).
25. Connect A/C line (40) to A/C line (41).
26. Connect connector (38) to connector (39).
27. Connect connector (36) to connector (37).
28. Connect connector (34) to connector (35).
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PARTS BULLETIN 618
29. Assemble front RH wireway (49) with the following parts:
Quantity
1
1
1
1
2
11
10
10
Unit of Measure
EA
EA
EA
EA
EA
EA
EA
EA
Part Number
2841440
2044885
3180099
3180252
82-0257-0002
1735660-0002
82-0429-0100
82-0418-0002
Pa g e
Component Description
LINER,SIDE WALL,FRT,RH
LINER,BACKING,SIDE WALL,RR,RH
LINER,SIDE WALL,FRT,BOTTOM,RH
LINER,BLISTER,BOTTOM,RH
INSERT,THREADED,.25-20,STEEL
INSERT,THREADED,.25-20,STEEL
SCREW,.25-20,PH PAN HD,BLKZN
WASHER,FLAT,NYLON,MOLDED BLACK
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PARTS BULLETIN 618
30. Install six cage nuts (50) (Pierce P/N 82-0386-0025) on sidewall (51).
31. Install front RH wireway (49) on sidewall (51) with eleven washers (52) (Pierce P/N 82-0418-0002) and
screws (53) (Pierce P/N 82-0429-0100).
32. Install cover (29) on roof (25) with three screws (28).
33. Install cover (27) on roof (25) with four screws (26).
34. Install cover (24) on roof (25) with four screws (23).
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PARTS BULLETIN 618
35. Assemble front LH wireway (54) with the following parts:
Quantity
1
1
6
3
3
Unit of Measure
EA
EA
EA
EA
EA
Part Number
2044876
2841118
1735660-0002
82-0429-0100
82-0418-0002
Pa g e
Component Description
LINER,BACKING,SIDE WALL,RR,LH
LINER,SIDE WALL,FRT,LH
INSERT,THREADED,.25-20,STEEL
SCREW,.25-20,PH PAN HD,BLKZN
WASHER,FLAT,NYLON,MOLDED BLACK
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PARTS BULLETIN 618
36. Install six cage nuts (55) (Pierce P/N 82-0386-0025) on sidewall (56).
37. Install front LH wireway (54) on sidewall (56) with nine washers (57) (Pierce P/N 82-0418-0002) and screws
(58) (Pierce P/N 82-0429-0100).
38. Install cover (18) on roof (14) with three screws (17).
39. Install cover (16) on roof (14) with four screws (15).
40. Install cover (13) on roof (14) with four screws (12).
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PARTS BULLETIN 618
NOTE: When routing drain lines, ensure continuous downward slope with no rise blocking drainage.
Once proper slope is achieved, cut drain lines flush with bottom of wheelwell on both sides.
41. Cut hose (59) (Pierce P/N 2504490) to length and install on two fittings (60) (Pierce P/N 59-0793) as needed
and route on driver side and passenger side as shown.
42. Cut hose (59) flush with bottom of wheelwell (61).
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PARTS BULLETIN 618
42. Assemble evaporator cover (62) with the following parts:
Quantity
1
1
1
2
Unit of Measure
EA
EA
EA
EA
Part Number
2087909
2076675
2845733
2515854
Component Description
DIVERTER ASSY,EVAP COVER,AC
KIT,INSULATION,EVAP COVER
COVER,EVAPORATOR,WLDMT
FILTER,AIR INTAKE,EVAPORATOR
43. Install evaporator cover (62) on evaporator (11) with 16 screws (10).
44. Install cover (63) (Pierce P/N 2845421) on wireway (8) and evaporator cover (9) with three washers (6) and
screws (5).
45. Repeat step 44 for passenger side (Pierce P/N 2845423).
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PARTS BULLETIN 618
46. Install hose (59) on two studs (64) with two cushion clips (65) and nuts (66).
47. Repeat step 46 for passenger side.
48. Install cover (67) (Pierce P/N 2846480) on cover (63) with five washers (3) and screws (2).
49. Repeat step 48 for passenger side (Pierce P/N 2846479).
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PARTS BULLETIN 618
•
Use only refrigerants approved by Pierce Manufacturing for your air conditioning system. Some
unapproved refrigerants are flammable and can explode, causing injury to personnel. Other
unapproved refrigerant can cause the system to fail, requiring costly repairs.
•
The air conditioning system contains refrigerant under high pressure. To avoid risk of personal
injury or damage to the system, adding refrigerant or any repair requiring lines to be disconnected
should be done by a certified repairman.
•
Air conditioning system contains R134A:
o Avoid breathing refrigerant and lubricant vapor or mist;
o Exposure may irritate eyes, nose and throat;
o To remove R134A from air conditioning system, use equipment certified to meet SAE
J2210;
o If R134A discharge occurs, ventilate work area before resuming service;
o Additional health and safety information may be obtained from refrigerant and lubricant
manufacturers.
NOTE: Do not add refrigerant unless the system is checked for leaks and any leaks found are repaired.
50. Charge refrigerant. Refer to “Operator’s Manual and Service Manual.”
51. Turn battery switches ON (if equipped) or connect batteries. Refer to “Battery Connect/Disconnect,” Group
0925-P-001.
52. Remove “DO NOT START” tag from vehicle ignition switch.
If any additional support is needed, please open a technical support incident on Pierceparts.com.
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