Apollo A-102 1ST STAGE Installation instructions

A-102 1ST STAGE
DISASSEMBLY

FEATURES
FEATURES
Balanced Diaphragm type 1st stage.
2 x HP port. - 7/16” NF
4 x LP port. - 3/8” NF
•Lightweight and compact
• Symmetrical service ports

TOOLING REQUIREMENTS
TOOLING REQUIREMENTS
• 12” adjustable wrench
• Apollo wrench No. 155610
• 3/16” & 5/8” Allen key (wrench)
• Snap ring (circle) pliers
• O ring pick
• Fine tweezers
• Nylon dowel - 10mm dia.
• Small screw driver. (blunt edges)
• Threaded rod (7/16” NF) handle
• Engineers vice with soft jaws
• Line pressure test gauge
P/No. 155310
Additional standard engineering
tools will also be required.

DISASSEMBLY
DISASSEMBLY
Remove the yoke screw.
To support the 1st stage fit the
7/16” threaded rod to a HP port
and hold the rod in a suitable vice.
Use a 12” adjustable wrench, undo
the yoke retainer. The retainer is
removed counter-clockwise.

DISASSEMBLY
DISASSEMBLY
Remove the yoke and yoke retainer.
Strip the yoke retainer ready
for cleaning and inspection.
Remove the yoke bolt o ring.

DISASSEMBLY
DISASSEMBLY
Carefully remove the filter
retaining ring.
Remove and discard the filter.

DISASSEMBLY
DISASSEMBLY
Fit the Apollo adjusting wrench to
the body cap.
Use a 12” adjustable wrench,
undo and lift off the body cap to
expose the adjusting assembly.
(Turn anti-clockwise to undo)

DISASSEMBLY
DISASSEMBLY
Lift off the teflon washer and
place to one side.
Lift out the adjusting screw and guide nut.

DISASSEMBLY
DISASSEMBLY
Separate the screw and nut.
(the screw is left hand thread)
Next lift out the LP spring
and the spring pad.

DISASSEMBLY
DISASSEMBLY
Install the Apollo adjusting wrench.
Engage the pins in the diaphragm
retainer.
Use the 12” adjustable wrench and
undo the diaphragm retainer turning
counter clock-wise.