Installation of the Toilet Drain Lines

TASK 38-30-00-410-002-A
Installation of the Toilet Drain Lines

1. Reason for the Job
Self Explanatory
2. Job Set-up Information
A. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03FAB1)	Mineral Oil base Grease-- Vaseline or Petrolatum -
(Material No.06AEA1)	Polysulfide Sealant-Low Adhesion Brushable -
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
No specific	tie-wraps

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
131DW, 131GW, 131HW, 151BW, 161AW, 161BW, 161CW, 161DW, 162DW, 241CF, 241GF, 241LF, 812, 824
131SW, 131UW, 151SW, 151TW, 151UW, 151VW
131MW, 131PW, 151CW, 151DW, 151EW, 151HW, 151JW
131QW, 131RW, 151RW

C. Referenced Information

REFERENCE	DESIGNATION
TASK 12-16-38-613-001-A	Servicing of the Toilet System
TASK 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 25-54-11-400-001-A	Installation of the Forward Cargo-Compartment Partition FR24A
TASK 25-54-12-400-001-A	Installation of the Forward Cargo-Compartment Partition
TASK 25-54-12-400-003-A	Installation of the Sidewall Panels in the Forward Cargo Compartment
TASK 25-55-11-400-001-A	Installation of the Aft Cargo-Compartment Partition at FR47
TASK 25-55-11-400-003-A	Installation of the Sidewall Panels in the Aft Cargo Compartment - FR47/FR59
TASK 25-55-12-400-001-A	Installation of the Aft Cargo-Compartment Partition at FR65
TASK 25-55-12-400-003-A	Installation of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65
TASK 38-31-00-790-002-A	Leak Test of the Vacuum Toilet System (VTS)
TASK 53-32-12-400-002-A	Installation of the Cabin Floor Panels
AIPC 38-31-01-
AIPC 38-31-02-
AIPC 38-31-03-
AIPC 38-31-04-
Toilet Drain Lines ** ON A/C NOT FOR ALL
Toilet Drain Lines ** ON A/C NOT FOR ALL
Clamp Installation Requirements

3. Job Set-up
Subtask 38-30-00-860-054-A

A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized from the external power (Ref. AMM TASK 24-42-00-861-001).

Subtask 38-30-00-560-051-B

B. Preparation of the Drain lines for Installation

Toilet Drain Lines ** ON A/C NOT FOR ALL

Clamp Installation Requirements

(1) Do an inspection of the component interfaces and the adjacent area.
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Remove the blanking plugs from the disconnected line ends.
(4) Apply Mineral Oil base Grease-- Vaseline or Petrolatum - (Material No.03FAB1) to the new O-rings (2) and install them on the drain line ends.

NOTE: Refer to the relevant AIPC 38-31-01-, AIPC 38-31-02-, AIPC 38-31-03-, AIPC 38-31-04- for information of expendable parts.

(5) Install the clamshells (4) over the drain lines before you put the drain lines in position.
(6) Make sure that the clamshells (4) is installed correctly:

axial adjustment is more than 6.35mm
angular misalignment is +/- 4 degree in any direction around centerline.

4. Procedure
Subtask 38-30-00-420-058-B ** ON A/C NOT FOR ALL

A. Installation of the Toilet Drain Lines

Clamp Installation Requirements ** ON A/C NOT FOR ALL

(1) Examples A, B, C, D, and E.
(a) Put the drain lines (1) in position.
(2) Example B.
(a) Put the clamp assemblies (7) and the spacers (8) in position.
(b) Install the washers (6), the bolts (5) and the nuts (9) but do not tighten them at this time.
(3) Example C.
(a) Put the clamps (10) in position.
(b) Put the washers (6) on the bolts (5).
(c) Install the bolts (5), the spacers (8), the washers (6) and the nuts (9).
(4) Example E.
(a) Put the clamp assemblies (7) in position.
(b) Install the washers (6), the bolts (5), the washers (6) and the nuts (9) but do not tighten them at this time.
(5) Example A.
(a) Move the sleeves (3) over the drain lines (1).
(b) Install the clamshells (4).
(c) Make sure that the clamshells (4) is installed correctly:

axial adjustment is more than 6.35mm
angular misalignment is +/- 4 degree in any direction around centerline.

(6) Examples B, C, and E.
(a) Tighten the bolts (5) and the nuts (9).
(7) Example D.
(a) Put the clamps (11) in position.
(b) Install the washers (6), the bolts (5), the bonding straps (12) and the nuts (9).
(c) Make sure that the bonding straps are correctlly bonded (Ref. AMM TASK 20-28-00-912-802).

Subtask 38-30-00-420-058-C ** ON A/C NOT FOR ALL

A. Installation of the Toilet Drain Lines

Clamp Installation Requirements ** ON A/C NOT FOR ALL

(1) Examples A, B, C, D, E, F and G.
(a) Put the drain lines (1) in position.
(2) Example B.
(a) Put the clamp assemblies (7) and the spacers (8) in position.
(b) Install the washers (6), the bolts (5) and the nuts (9) but do not tighten them at this time.
(3) Example C.
(a) Put the clamps (10) in position.
(b) Put the washers (6) on the bolts (5).
(c) Install the bolts (5), the spacers (8), the washers (6) and the nuts (9).
(4) Example E.
(a) Put the clamp assemblies (7) in position.
(b) Install the washers (6), the bolts (5), the washers (6) and the nuts (9) but do not tighten them at this time.
(5) Example A.
(a) Move the sleeves (3) over the drain lines (1).
(b) Install the clamshells (4).
(c) Make sure that the clamshells (4) is installed correctly:

axial adjustment is more than 6.35mm
angular misalignment is +/- 4 degree in any direction around centerline.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

(b) Clean the clamp and the pipes with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(c) Install the new O-rings (2) on the pipes (1).
(d) Move the sleeve (3) back over the O-rings (2).
(e) Install the clamshell (15) over the sleeve (3) and make sure that the locking device is turned downward.
(f) Install the lock pin in the clamshell (15).
(g) Make sure that the clamshell (15) is installed correctly:

axial adjustment is more than 6.35mm
angular misalignment is +/- 4 degree in any direction around centerline.

(h) Seal the clamshell with Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) .
(9) Example G.
(a) Put the caution placard (13) in position and fastend it with tie-wraps (14).

Subtask 38-30-00-865-067-A

B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-VACUUM-SYS	35MG	A06
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-VACUUM-GEN	33MG	A08
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-E	34MG	A04
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-D	39MG	A03
** ON A/C ALL
2001VU	VACU TOIL SYS-LAV PWR-A	32MG	A01
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-VACU-SYS	35MG	A06
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-VACU-GEN	33MG	A08
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-G	34MG	A04
2001VU	VACU TOIL SYS-LAV PWR-F	39MG	A03
2001VU	VACU TOIL SYS-LAV PWR-D	45MG	A02
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-L	45MG	A02
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-L	23MG	A05
** ON A/C NOT FOR ALL
2001VU	VACU TOIL SYS-LAV PWR-M	34MG	A04

Subtask 38-30-00-790-054-B

C. Leak Test
(1) Do the leak test of the vacuum toilet (Ref. AMM TASK 38-31-00-790-002).
(2) Inspect the drain lines to make sure that there are no leaks.
(3) Leaks are not allowed.

Subtask 38-30-00-613-057-A

D. Do the servicing of the toilet system (Ref. AMM TASK 12-16-38-613-001).

5. Close-up
Subtask 38-30-00-410-056-B ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) For the drain lines in zone 110-122 between Frame 11 and 24A.
(a) Close the access panels 812 824.
(3) For the drain lines in the FWD cargo compartment in zone 131 between Frame 24A and 34.
(a) Close the side wall panels 131GW 131HW 131MW (Ref. AMM TASK 25-54-12-400-003).
(b) Close the patition panels 131DW 131PW for the drain lines at Frame 24A and 34 (Ref. AMM TASK 25-54-11-400-001) and (Ref. AMM TASK 25-54-12-400-001).
(4) For the drain lines on the wing box in zone 241 between Frame 35 and 47
(a) Install the floor panels 241CF 241GF 241LF (Ref. AMM TASK 53-32-12-400-002).
(5) For the drain lines in the AFT cargo compartment in zone 151 between Frame 47 and 56.
(a) Close the side wall panels 151CW 151DW 151EW 151HW 151JW (Ref. AMM TASK 25-55-11-400-003).
(6) For the drain lines in the AFT cargo compartment in zone 151 at Frame 47.
(a) Close the patition panel 151BW (Ref. AMM TASK 25-55-11-400-001).
(7) For the drain lines in the AFT cargo compartment in zone 161 between Frame 59 and 65.
(a) Close the side wall panels 161AW 161BW 161CW (Ref. AMM TASK 25-55-12-400-003).
(8) For the drain lines in the AFT cargo compartment in zone 170 at Frame 65.
(a) Close the patition panels 161DW 162DW (Ref. AMM TASK 25-55-12-400-001).
(9) Remove the access platform(s).
(10) Remove the warning notices.

Subtask 38-30-00-410-056-C ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) For the drain lines in zone 110-122 between Frame 11 and 24A.
(a) Close the access panels 812 824.
(3) For the drain lines in the FWD cargo compartment in zone 131 between Frame 24A and 35.4.
(a) Close the side wall panels 131GW 131HW 131MW 131QW 131RW (Ref. AMM TASK 25-54-12-400-003).
(b) Close the patition panels 131DW 131PW for the drain lines at Frame 24A and 35.5 (Ref. AMM TASK 25-54-11-400-001) and (Ref. AMM TASK 25-54-12-400-001).
(4) For the drain lines on the wing box in zone 241 between Frame 35 and 47.
(a) Install the floor panels 241CF 241GF 241LF (Ref. AMM TASK 53-32-12-400-002).
(5) For the drain lines in the AFT cargo compartment in zone 151 between Frame 47.2 and 59.
(a) Close the side wall panels 151RW 151CW 151DW 151EW 151HW 151JW (Ref. AMM TASK 25-55-11-400-003).
(6) For the drain lines in the AFT cargo compartment in zone 151 at Frame 47.1.
(a) Close the patition panel 151BW (Ref. AMM TASK 25-55-11-400-001).
(7) For the drain lines in the AFT cargo compartment in zone 161 between Frame 59 and 65.
(a) Close the side wall panels 161AW 161BW 161CW (Ref. AMM TASK 25-55-12-400-003).
(8) For the drain lines in the AFT cargo compartment in zone 170 at Frame 65.
(a) Close the patition panels 161DW 162DW (Ref. AMM TASK 25-55-12-400-001).
(9) Remove the access platform(s).
(10) Remove the warning notices.

Subtask 38-30-00-410-056-D ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) For the drain lines in zone 110-122 between Frame 11 and 24A;
(a) Close the access panels 812 824.
(3) For the drain lines in the FWD cargo compartment in zone 131 between Frame 24A and 34:
(a) Close the side wall panels 131GW 131HW 131SW (Ref. AMM TASK 25-54-12-400-003).
(b) Close the patition panels 131DW 131UW for the drain lines at Frame 24A and 34 (Ref. AMM TASK 25-54-11-400-001) and (Ref. AMM TASK 25-54-12-400-001).
(4) For the drain lines on the wing box in zone 241 between Frame 35 and 47:
(a) Install the floor panels 241CF 241GF 241LF (Ref. AMM TASK 53-32-12-400-002).
(5) For the drain lines in the AFT cargo compartment in zone 151 between Frame 47/51and 59:
(a) Close the side wall panels 151VW 151UW 151TW 151SW (Ref. AMM TASK 25-55-11-400-003).
(6) For the drain lines in the AFT cargo compartment in zone 151 at Frame 47:
(a) Close the patition panel 151BW (Ref. AMM TASK 25-55-11-400-001).
(7) For the drain lines in the AFT cargo compartment in zone 161 between Frame 59 and 65:
(a) Close the side wall panels 161AW 161BW 161CW (Ref. AMM TASK 25-55-12-400-003).
(8) For the drain lines in the AFT cargo compartment in zone 170 at Frame 65:
(a) Close the patition panels 161DW 162DW (Ref. AMM TASK 25-55-12-400-001).
(9) Remove the access platform(s).
(10) Remove the warning notices.

Subtask 38-30-00-862-052-A

B. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.04.01 01:19:29 UTC