Rego TA7814-50 Manual

gas MUST be evacuated from the system before starting repairs.
Installation, usage and maintenance of this product must be in
compliance with all RegO
®
and provisions of NFPA #54, NFPA #58, DOT, ANSI, all applicable
federal, state, provincial and local standards, codes, regulations
and laws.
Inspection and maintenance on a periodic basis is essential.
Be sure all instructions are read and understood before instal-
lation, operation and maintenance. These instructions must be
passed along to the end user of the product.
RegO Rail Tank Car equipment is AAR approved. If repaired, the
continued validity of the AAR approval is contingent upon proper
inspection to determine what needs to be repaired; proper repair
using RegO OEM parts and procedures, proper testing for leakage
and performance following repairs and installation.
ECI EXPRESSLY DISCLAIMS ANY AND ALL LIABILITY – UNDER
ANY THEORY, WHETHER CONTRACT, WARRANTY, TORT OR
OTHERWISE – RELATING IN ANY MANNER TO ANY RAIL TANK
CAR EQUIPMENT REPAIRED USING ANY PRODUCTS NOT MANU-
FACTURED BY ECI.
USE OF ANY PRODUCTS NOT MANUFACTURED BY ECI TO RE-
PAIR ANY RAIL TANK CAR EQUIPMENT WILL INVALIDATE ANY
AND ALL WARRANTIES OF THE RAIL TANK CAR EQUIPMENT,
WHETHER EXPRESS OR IMPLIED.
CAUTION:
Contact or inhalation of liquid propane, ammonia
and their vapors can cause serious injury or death! NH
Gas must be released outdoors in air currents that will insure
dispersion to prevent exposure to people and livestock. LP-Gas
must be kept far enough from any open flame or other source of
ignition to prevent fire or explosion! LP-Gas is heavier than air
and may not disperse or evaporate rapidly if released in still air.
Disassembly and Rebuild Procedure
CAUTION: READ THROUGH ALL OF THESE INSTRUCTIONS, IN-
CLUDING THE NOTICE AND WARNINGS ON THE BACK OF THIS
SHEET, BEFORE BEGINNING ANY DISASSEMBLY OR REPAIR.
NOTE: Repairs must be performed in a clean area. Hands, clothing,
tools and work area must be completely free of oil, grease and foreign
matter to prevent contamination of component parts and valves.
A. Angle Valve Disassembly - See Figures 1,2 & 3
1. EVACUATE ALL GAS FROM THE SYSTEM BEFORE ANY DIS-
ASSEMBLY OR REPAIR. Turn handwheel counterclockwise as
far as it will go to release any gas remaining in the container.
CAUTION: Do not apply force after valve is fully open.
2. Using a 13/16" wrench, remove the four cap screws from the bonnet
by turning counterclockwise. Remove the bonnet assembly from
the valve body by carefully pulling upward using the handwheel.
Carefully place the bonnet assembly on its side to prevent any
damage to the drive stem. See Figure 2.
3. Remove the body gasket and discard.
Seat Disc Replacement:
4. Clamp the square section of the bonnet in a vise.
5. Using 1-1/8" wrench on the stem holder (left hand threads) and
a 1-5/16" wrench on seat disc retainer (left hand threads) turn
clockwise (left hand threads) (as shown in Figure 3) to loosen
the stem holder from the seat disc retainer.
6. Remove and retain the two stem retainers (crescent shaped) once
the stem holder and seat disc retainer are separated.
7. Carefully support the main stem while using a punch to remove
the 3/32" stainless steel spring pin from the drive stem (See Figure
3). Discard the pin after removal.
8. Use a 3/8" wrench on the hex portion of the drive stem, turn
clockwise (left hand threads) to separate the drive stem from the
main stem. Retain the drive stem for reassembly. Clean the old
Loctite from all threads.
NOTE: It is helpful to hold the handwheel to aid in the removal of the
drive stem.
9. Remove and discard the old thrust washer and old o-ring.
WARNING:
Installation,
disassembly, repair and main-
tenance MUST be performed
only by qualified personnel. All
instructions as well as requirements
TA7814-50 Rebuild Kit for TA7814
Tank Car Valves with A7814 Angle
Valve and A3214 Internal Valve
TA7814 Tank Car Valve
Figure 1
A7814
Angle Valve
Flange Outlet
and LP-
Dowel Pin
3
Manway
A3214
Internal Valve
10. While holding the wrench flat section of the seat disc retainer with
a 1-5/16" wrench, use another wrench to remove the seat disc
retainer nut.
11. Remove and discard the seat disc. Install a new one by pressing
it into the recess of the seat disc retainer as shown in Figure 3.
12. Apply Loctite 271® thread locking compound to the first three
threads of the seat disc retainer.
CAUTION: Do not allow Loctite to contact the seat disc.
13. Thread on the seat disc retaining nut and tighten with a wrench to
240-270 in-lbs torque. Stake the nut in two places at the retainer
threads (See Figure 3) to prevent loosening.
Packing Replacement:
14. Remove the handwheel locknut by turning counter-
clockwise with a small wrench to allow removal of
the washer, information disc and handwheel. Retain
all parts.
15. Using a 1-3/8" wrench with a handle of sufficient
length to develop a minimum of 1000 in-lbs torque,
10
R E G O
Y E A R
WARRANTY