Maintenance and repair
General maintenance
• Keep area around pump clean. Clean off
filling port area prior to filling reservoir.
Clean area around filler after filling as
lubricants will attract dirt.
• Keep lubricants clean and free of dirt
and debris.
System malfunction
• Refer to Troubleshooting (page ) to
determine where to look if problems occur.
• Refer to corresponding sections for
replacement and repair of specific areas.
• Each part is identified with a number
keyed to a matching part on
illustrated views.
• General recommendations of tools
required are also specified in each step.
• Pay particular attention to warning state-
ments to prevent personal injury and pos-
sible damage to pump components.
Outlet check service
Refer to Troubleshooting (page ) to
determine if outlet check valve () is
cause of failure.
Pump will not build up sufficient lubricant
pressure if outlet check () is fouled
(† fig. and fig. , page ). Foreign mate-
rial may lodge beneath check ball () or
between check disc () and seat () of
bushing assembly. Sealing surfaces of seat
must form a perfect seal. Clean parts or
replace if pitted, worn or scored.
Turn off and disconnect electric power
supply to pump assembly ().
Standard tools required are bench
mounted vice, set of open end wrenches
7
1
/
to
/
in, large in
ranging from
16
2
(600 mm) adjustable wrench and
smaller in (254 mm) adjustable
wrench.
Remove hose () and elbow ().
Remove outlet check assembly () and
adapter () by loosening adapter from
tee ().
Remove adapter () from outlet check
assembly ().
Remove outlet connector () from
bushing ().
Remove ball check seat () from outlet
connector ().
Pull check disk assembly () out of ball
check seat ().
Remove and discard gaskets ( and ).
Clean and inspect all check components
(, , , and ) for scoring, damage
or any foreign material.
Replace any damaged components of
outlet check assembly (). Replace gas-
kets ( and ).
Reverse above procedure to reassemble.
Torque check assembly to ft-lbf
(135 Nm).