Hale MG - Manual (Page 65)

Muscle Pumps
5-1
5. CORRECTIVE
MAINTENANCE
A. Midship Pump
Tools Required
q Lifting gear-Lever hoist or chain hoist, and
short chokers.
q Ball peen hammer
q Center punch
q Allen Wrenches
q Pry bars (2)
q Ratchets and wrenches for disassembly
q Torque wrench, with sockets for cap screws,
capable of 40, 65, and 135 ft-lb (54, 88, and
183 N-m)
q Pan (to catch drip oil).
q Disposable -rags and oil dry.
NOTE: Due to the nature of a Hale Midship pump
most service can be performed without removing
the pump assembly from the apparatus.
If a catastrophic failure to the pump (cracked pump
body) requires removal of the entire pump
assembly from the apparatus use the following
procedure.
THE MIDSHIP PUMP AND GEARBOX
ASSEMBLY WITH ASSOCIATED COMPONENTS
WEIGHS 1,500 LBS. (680 KG) TO 2,000 LBS.
(909 KG). MAKE SURE PROPER CAPACITY
LIFTING APPARATUS IS PROVIDED TO
REMOVE PUMP AND GEARBOX FROM
APPARATUS.
1. Removal
a. Place apparatus out of service in
accordance with department
procedures.
b. Remove body panels and framework
to gain access to the pump
compartment and pump. Make sure
there is sufficient clearance above the
apparatus to lift the pump and gearbox
assembly out of the apparatus.
c. Remove valve operators, discharge
piping suction piping and valves that
would interfere with pump removal.
d. Disconnect drive shafts, airlines,
electrical wiring and cooling lines as
necessary from the gearbox.
e. Install 1/2-13UNC eyebolts into
lifting holes on the pump body (see
figure 5-1). Attach proper lifting gear
to these eyebolts.
f. Locate and remove fasteners that hold
the pump to the apparatus chassis frame.
g. Carefully lift pump and gearbox
assembly from apparatus. Place the
entire assembly on a work stand of
suitable capacity.
NOTE: Before beginning removal, you may want
to make a sketch of plumbing and component
configuration to aid in assembly.
2. Installation
a. Make sure the chassis mounting point
and area around the apparatus is clean
and free of obstructions.
b. Attach suitable lifting device to the
pump and gearbox assembly.
c. Lift pump and gearbox assembly and
guide onto apparatus at proper
mounting point.
d. Install and tighten fasteners that secure
pump assembly to cha ssis frame.
e. Once pump is secure remove lifting
device and eyebolts.
f. Connect all components to gearbox.
g. Attach valves, suction piping,
discharge piping and valve operators.
h. Reinstall apparatus frame work and
body panels.