WARNING:_______ MAKE SURE YOU MAKE NO PUMP ADJUSTMENT THAT CAN CAUSE THE SWAGE
 TOOL HYDRAULIC PRESSURE TO BE MORE THAN THE MANUFACTURERS
 RECOMMENDATIONS.  THE DEUTSCH RECOMMENDATION FOR D12000 SERIES
 TOOLS IS 5760 PSI MAXIMUM AND FOR THE DLT SERIES IS 10000 PSI
 MAXIMUM.  IF PRESSURE IS GREATER THAN THE ABOVE VALUES INJURY

 AND DAMAGE CAN OCCUR.
 (7)  
Swage the union to the tube as shown in the manufacturer's recommended procedures.

 S 358-226

 (8)  
Swage each end three times.

 NOTE: After the initial swage, move the swage head between 30 and
____ 45 degrees from the previous swage position before you swage again.
 S 118-227
 (9)  
Clean the die blocks regularly.

 S 218-228

 (10)
 Examine the end plates for loose retaining screws.

 S 228-229

 (11)
 Examine the finished swage as shown in the manufacturer's recommended procedure or measure with Vernier caliper for dimensions as shown in Fig. 830.

 S 768-230

 (12)
 In the fuel tanks and vapor areas, do a check of the electrical resistance specifications across each tube/fitting interface (AMM 20-10-09/401).

 S 768-231

 (13)
 Make resistance measurements for all Permaswage repair installations in wing tanks and fuel vapor areas (Ref 20-10-09).

 S 798-232

 (14)
 For Permaswage fitting repairs in general areas, do a leak test as follows:

 (a)  
Pressurize the system for a minimum of 5 minutes.

 (b)  
Rub the tube and fittings with a clean white cloth to find leakage.

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 20-10-51
 ALL  ú ú 02 Page 829 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 218-233
 (15) Examine the tube-to-fitting interface for hydraulic leaks you can see.
 NOTE: When dimensional or leakage specifications are not met,
____ you can swage again. Then do a leak test. You must replace fittings you cannot seal.
 S 378-234
 (16) Apply BMS 10-11 primer to the Alodine areas of the finished tube joint where the bare metal is open.
 TASK 20-10-51-408-235
 10. Rynglok Union Installation (Fig. 834)__________________________
 A. General
 WARNING:_______DO NOT USE RYNGLOK FITTINGS ON ANY OXYGEN LINES. DAMAGE TO EQUIPMENT OR INJURY TO PERSONS CAN OCCUR.
 (1)  
Rynglok tube to tube fittings are not to be used on fluid lines inside airplane fuel tanks. The rynglok tube to tube fitting is not qualified for these applications.

 (2)  
The Rynglok in-line tube unions (Fig. 834), sizes 04, 06, 08, 10, 12, and 16 are used with 304 1/8 hard CRES to repair Ti-3AL-2.5 and 21-6-9 CRES. The same unionsplus a size 20 are used with 6061-T6 aluminum tube to repair 6061-T6 aluminum tu be, provided the bare areas of the tubing are painted after swaging to limit the possibility of galvanic corrosion ocurring.

 (3)  
When you do a repair, remove the part of the tube with the damage. If the area of the tube damage is less than the value listed in (F ig. 805), use one Rynglok union for repair.

 (4)  
If the tube damage is longer than the value listed in (Fig. 805), put in a tube splice and install the splice with two fittings. The splice must be equal to or slightly shorter than the removed tube section. The minimum length of tubing to be removed is shown in (Fig. 836). Fittings and tubing material sizes are shown in (Fig. 835).

 B.
Equipment

 (1)
Swager - Hydraulic Fitting RTSK8-02-006 (Aeroquip Corporation, Jackson Plant, 300 S. East Ave., Jackson, MI 49203-1972)

 C.
Consumables

 (1)  
B00068 Alcohol, ethyl (denatured) - MIL-E-51454, Type II

 (2)  
C00064 Coating, Surface Treatment (Alodine) - MIL-C-81706,
 MIL-C-5541, Type II MIL-C-5541, Type II

 (3)  
C00259 Primer, chemical and solvent resistant finish, epoxy resin primer - BMS10-11, Type I

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