Coffee Brewers
Grindmaster
®
11
Maintenance
To Drain the Water Tank
NOTICE:
Always empty tank(s) before shipping.
NOTE:
Brewer may contain over 6 gallons (23L) of hot
water.
1. Prepare a heat resistant container to drain tank
water into.
2. Disconnect power to brewer.
3. Remove the front access panel.
4. Pinch or clamp the silicone drain hose and remove
hose plug.
5. Place hose over drain and release clamp.
6. Allow the tank to drain completely.
NOTE:
It may be necessary to pinch the hose and stop
the water before container is full. Carefully reinstall
hose plug, then empty container. Repeat steps 4-6
completely to drain tank.
Remove Brew Valve
Remove Brew or Bypass valve (Note: the dispense valves
incorporate a ¼ turn bayonet style mounting; use care
when handling):
1. Disconnect power to machine.
2. Using an appropriate vessel to hold hot water,
safely drain the water tank to a level below the
solenoid level by operating the manual hot water
tap until the water tap does not flow. This will be
the indication that the tank is drained below the
level of the solenoid valves.
3. Remove top cover.
4. Gently disconnect the electrical leads from the valve
coil.
5. Gently remove the Silicone rubber tube from the
valve inlet.
6. Gently twist the valve clockwise ¼ turn and remove
the valve.
To Remove the Heater
1. Disconnect power and remove top cover of brewer.
2. Disconnect wire leads to heater, thermistor, level
probe, and ground wires.
3. Remove tank cover by loosening retaining nuts.
Cover is lifted up with heater attached. Heater is
then removed.
4. Replace heater with sealing washers in same
configuration. When tightening nuts, hold element
so it does not twist.
5. Replace tank cover, ensuring O-ring seal is good.
6. Replace heater wires. Be sure all electrical
connections are secure. Ensure silicone rubber
insulator sleeves are re-positioned to protect the
heater terminals.
7. Replace top cover of brewer and connect power
cord to outlet.
Removing water inlet valve:
1. Turn off water supply to inlet valve.
2. Disconnect swivel fitting from inlet valve.
3. Remove front splash panel.
4. Using an appropriate container, drain the hot water
tank completely.
5. Disconnect wires from inlet valve.
6. Remove hose clamp from silicone rubber tube at
the inlet valve.
7. Remove silicone rubber tube from valve.
8. Remove (2) valve retaining screws.
9. Remove valve.
10. Installation is reverse order; Note: ensure hose
clamp is properly replaced to prevent the possibility
of the silicone rubber hose blowing off during a fill
sequence.
WARNING: ELECTRICAL AND BURN
HAZARD
Dangerous voltages and hot surfaces are present
inside the machine. Maintenance should only be
performed by qualified service personnel.
CAUTION: BURN HAZARD
Water in tank is very hot. Draining of tank should be
performed by a qualified service technician. Use
caution when draining tank. Accidental spills may
result in severe burns.
Summary of Contents for 1004-001
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