Elster J48HL, Quick Start Manual, Page: 6 / 8

6
J48HL: Spares and Loading Springs
SPARES KITS
Spares kit contents are marked
Ï
on parts list
SPARES KIT CODE SIZE
SK4806-04 ¾” – 1”
SK4808-04 1¼” – 1½”
SK4809-04 2”
Springs for J48HL
Spring Range Part No Colour Code.
mbar “wg
¾” & 1” 1¼” & 1½” 2”
5 – 15 2 – 6 J4806-007 Yellow J4808-004 Red / Yellow J4809-007 Dark Blue / Yellow
12.5 – 25 5 - 10 J4806-004 Black J4808-007 Red / Black J4809-004 Dark Blue / Black
22.5 – 35 9 – 14 J4806-005 Orange J4808-008 Red / Orange J4809-005 Dark Blue / Orange
22 - 75 10 - 30 J4806-101 Yellow / Black J4808-077 Yellow / Orange J4809-066 Yellow / Dark Green
70 - 100 28 - 40 J4806-079 Pink / Gold J4808-075 Pink / Silver J4809-065 Grey / Gold
90 - 160 36 - 64 J4808-077 Yellow / Orange J4809-065 Grey / Gold
Maintenance Instructions for: J48HL Regulator ¾" - 2",
Dismantling Procedure:
1. Pull off top cap (16).
2. Turn spring adjusting screw (46) anticlockwise (to reduce loading on spring).
3. Carefully lift protruding end of locking lever (17) just above adjusting bush (45) whilst in this position turn
(octagon shaped) adjusting bush assembly (19) anticlockwise until disengaged. The adjusting bush (45) can
then be removed from the top cover (14).
4. Remove the loading spring (13) from the top cover (14).
5. Lift keyhole end of locking lever (17) over sloping peg in adjusting bush (45), and slide forward until
disengaged from spring adjusting screw (46) and remove.
NOTE: If adjusting bush assembly is to be dismantled for "O" ring replacement, follow procedure. If to be left
assembled proceed to instruction number 9.
6. Pull spring adjusting screw (46) from adjusting bush (45).
7. Remove "O" rings (15) & (18) from spring adjusting screw (46) and adjusting bush (45) respectively.
8. Lift washer (44) from spring adjusting screw (46) and remove.
9. Remove top cover screws (10) then carefully remove the top cover (14).
10. Unscrew bottom plug (1) and remove from body (3).
11. Remove "O" ring (31) from bottom plug (1).
12. Restrain valve spindle (2) with suitable box spanner through bottom plug opening in body (3).
13. Unscrew full nut (12).
J48HL: Maintenance Instructions