English
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Disassembly/Reassembly
(to reassemble, follow procedures in reverse)
JH3-B
JH5RL-B
JH5RH-B
JH7RL-B
JH7RM-B
JH7.2R-B
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Option
** The entire unit may be removed and replaced at the Air Vent Guide 33 with an open wrench
*** Must remove Air Vent Guide 33 before this part can be removed or inserted
JH7RH-B
Part & No.
JH7.5R-B JH8R-B
During Disassembly
During Reassembly
Drain Plug 27
Use a wrench to remove
Coat threads with anti-seize and
tighten to the proper torque
Drain Plug Gasket 26
Remove gasket and clean
sealing surfaces
Use a wrench to remove
Replace with a new gasket, coat
surfaces with anti-seize
Coat threads with anti-seize and
tighten to the proper torques
Cover Nut 12
Use a wrench to remove
Coat threads with anti-seize and
tighten to the proper torque
Cover 2
Remove (use all 4 eye bolts
for JH8R-B to hoist the cover)
Align cover with the connector or the
arrow on the body and attach
Cover Gasket 13
Cover Bolt 11
Remove gasket and clean
sealing surfaces
Replace with a new gasket, do not
apply anti-seize
Connector 14
Remove the connector
Insert the connector
Connector
Gasket 15
Remove gasket and clean
sealing surfaces
Replace with a new gasket, do not
apply anti-seize
Snap Ring 16
Use appropriate pliers
Insert securely into groove
Air Vent Screen 19
Remove being careful not
to misshape
Replace being careful not to misshape
Bimetal Unit 18, 21, 22
Remove bimetal unit from cover Reinsert in the proper orientation
Air Vent Valve Seat 20
Use a wrench to remove
Tighten to the proper torque
Air Vent Case 17
Remove from cover
Place in cover
Air Vent Guide 33
Use a wrench to remove
Tighten to the proper torque
Air Vent Guide
Gasket 32
Remove gasket and clean
sealing surfaces
Replace with a new gasket, coat
surfaces with anti-seize
Screen 9 &
Float Cover 8
Lift straight up
Align arrows and insert, insert
tab on bottom into guide on body
and push in until top is flush
Snap Ring 25
Use appropriate pliers
Insert securely into groove
Screen 9
Lift straight up while turning
Place screen holder on ledge inside
body, round side up; place screen
holder retainer next (if applicable),
followed by screen
Screen Holder Retainer 31
Lift straight up
Screen Holder 24
Remove without bending
Float 3
Remove, careful not to
scratch grounded surface
Insert into body, being careful not to
scratch its grounded surface
Orifice Plug 6
Use a wrench to remove
Coat threads with anti-seize and
tighten to the proper torque
Orifice Plug Gasket 7
Remove gasket and clean
sealing surfaces
Replace with a new gasket, coat
surfaces with anti-seize
Outlet Cover Nut 30
Use a wrench to remove
Coat threads with anti-seize and
tighten to the proper torque
Outlet Cover 6
Remove
Attach
Outlet Cover
Gasket 7
Remove gasket and clean
sealing surfaces
Replace with a new gasket, do not
apply anti-seize
Orifice Locknut 28
Use a wrench to remove
(may require extension bar)
Coat threads with anti-seize and tighten
to the proper torque (see page 11)
Orifice 4
Use a wrench to remove
Coat threads with anti-seize and
tighten to the proper torque
Remove from interior
Fix with Orifice Locknut (see page 11)
Orifice Gasket 5
Remove gasket and clean
sealing surfaces
Replace with a new gasket, coat
surfaces with anti-seize
Replace with a new gasket (see page 11)
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