7
ATTACH WARNING NOTICE!
If you are not disassembling the toilet:
Reconnect all hose ends and secure them with their
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hose clips.
Replace the base drain plug securely.
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Replace the joker valve in the discharge elbow.
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Reconnect the discharge elbow and hose to the cylinder
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using the discharge flange, whilst relieving any leverage
from the discharge hose. If you do not, the joint may not
seal.
Fasten down the seat, lid and pump handle to prevent
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use and attach a warning notice.
4. Servicing - Overhaul
YOU WILL need:
❏
A Service Kit, part number 29045-3000, which contains
all wearing parts - refer to the PARTS LIST for details.
Remove the pump assembly as follows:
Loosen hose clips; disconnect the inlet hose and the
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flushing water hose (key 4) from the top of the pump.
Remove the 2 screws (key 31) that secure the discharge
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flange (key 32) that holds the discharge elbow (key 34)
and hose to the pump cylinder (key 28).
Do NOT remove the hose from the discharge elbow.
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Remove the 4 screws (key 31) that secure the pump
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cylinder to the base.
Lift off the pump assembly and pick up the base valve
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gasket (key 16) and the joker valve (key 33).
Dismantle the pump assembly as follows:
Remove the 6 screws (key 26) that secure the valve cover
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(key 27).
Open (
•
) the Flush Control (key 23) before lifting off
the valve cover assembly and picking up the top valve
gasket (key 21), the valve seat (key 19) and the valve
spring (key 35).
Remove the handle and the seal assembly by following
•
the SERVICING INSTRUCTIONS for SEAL
REPLACEMENT.
Withdraw the piston assembly (key 29) and prise off the
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piston O-ring (key 30).
Do NOT remove the bowl from the base
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• Clean and disinfect all parts - refer to OPERATING
INSTRUCTIONS for CLEANING. Remove scale from the
cylinder bore.
• Inspect the top and bottom valve gaskets (key 21) and the
joker valve, and renew them if they are damaged, stiff or
covered with scale. Automatically renew the seal assembly
and the piston O-ring. Use the other parts in the kit as
necessary.
Reassemble the pump as follows:
Push on the new O-ring (key 30) and lubricate with
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petroleum jelly (vaseline).
Following the SERVICING INSTRUCTIONS for SEAL
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REPLACEMENT fit the new seal assembly (key 18), the
piston assembly (key 29) and the handle (key 17).
Lubricate pump cylinder bore with petroleum jelly
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(Vaseline).
Locate the valve seat (key 19) on top of the cylinder,
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locate the top valve gasket (key 21) on its pegs on top of
the cylinder, locate the valve spring (key 35) on its peg in
the valve cover, and Open (
) the Flush Control (key
23) before refitting the valve cover (key 27).
Locate the joker valve (key 33) in the discharge elbow
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(key 34).
Secure the discharge elbow and hose to the cylinder,
•
using the discharge flange (key 32), BEFORE you refit
the pump assembly to the base (key 7), so that the joint
is not under leverage from the discharge hose. If you do
not, the joint may not seal.
Locate the bottom valve gasket (key 16) on its pegs on
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the base.
Secure the pump assembly to the base whilst relieving
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any leverage from the discharge hose. If you do not, the
joint may not seal.
Examine all hoses throughout their length for chafe,
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kinks and splits under hose clips. Check all hose clips for
corrosion and replace worn or damaged parts.
Reconnect all loose hose ends and secure them with
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their hose clips.
Ensure that the base drain plug (key 8) is securely in
•
place.
CAUTION: Do NOT lubricate top or bottom
valve gaskets. Do NOT apply sealing
compounds to any gaskets or hose
connections.
5. Servicing - Testing
REFER to the OPERATING INSTRUCTIONS and follow the
procedure for "2. Normal use".
If the flushing pump is hard to prime, half-fill the bowl
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with fresh water.
ON COMPLETION OF SERVICING:
SHUT (
•
) THE FLUSH CONTROL
CLOSE BOTH SEACOCKS.
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