42
309077
Service
Pump Removal and Replacement
For information about servicing the Check-Mate
800
Displacement Pump, see Form# 308352. For informa-
tion about servicing the Thermo-O-Flow Pump Module,
see Form# 310530.
1. If the material drum has already been removed
from the supply unit, go to step 2. If you need to
remove the material drum, perform steps 1
through 4 of the procedure in
Changing Empty
Drums
on page 29.
2. Make sure the ram hand valve is in the OFF
position.
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
(page 26).
3.
Relieve the supply unit pressure
.
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve ram pressure, always
follow the
Ram Pressure Relief Procedure
on
page 39.
4.
Relieve the ram air pressure.
5. Turn OFF the main electrical power to the supply
unit. Follow all applicable safety procedures and
lockout rules.
6. Turn OFF the main electrical disconnect.
WARNING
ELECTROCUTION HAZARD
To reduce risk of injury or damage to
equipment, make sure the main discon-
nect is OFF before continuing with this
procedure.
7. Bleed off excess material and pressure in the
system by opening the dispense gun and catching
the material in a waste container.
8. On the electrical control panel, turn the system
CONTROL ON switch to OFF.
9. Disconnect all material hoses.
10. RTV sealant on the pump shroud may make it
difficult to remove individual shroud pieces. Using
a knife or a razor, scrape the sealant off of the
seams of the shrouds.
11. Disconnect the pump from the junction box by:
a. Removing the cover of the junction box.
b. Disconnecting the heater wires and sensor
wires that come from the pump.
c. Removing the wires from the junction box.
d. Disconnecting the pump’s back shroud and
moving it backwards out of the way.
12. Loosen the pump mounting screws (30) and then
remove the pump mounting plates (20). (See page
58.)
13. Remove the 2 bolts from the top of the follower
rods.
14. Secure the air motor to the ram tie bar.
15. Remove the pump and service it as needed. To
remove the remaining shrouds from the pump, go
to the next section,
Separating the Pump from
the Air Motor
(page 43). See Form# 308352 for
more information about the pump.
16. Reverse this procedure to reinstall the pump. Be
sure to re-apply RTV sealant to the shrouds before
replacing them on the pump.
Summary of Contents for 309077
Page 9: ...9 309077 Typical Installation 4 Regulator Air Control Module Fig 2 O C D I A E B 9402A ...
Page 47: ...47 309077 Notes ...
Page 64: ...64 309077 Schematics 122 122 ...
Page 65: ...65 309077 Schematics 121 121 TEMPERATURE CONTROL TEMPERATURE CONTROL ...
Page 66: ...66 309077 Schematics 170 170 TEMPERATURE CONTROL TEMPERATURE CONTROL TEMPERATURE CONTROL ...
Page 68: ...68 309077 Schematics ...
Page 69: ...69 309077 Notes ...