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MAYCO C-30HDNI (PRECISION) PUMP — OPERATION AND PARTS MANUAL — REV. #7 (04/03/12) — PAGE 23
C-30HDNI (PRECISION) PUMP — PUMP COMPONENTS
Figure 7 illustrates the location of the major components for the
C-30HDNI Concrete Pump. The function of each component is
described below:
1. Discharge Cone – Connect 3" elbow to this discharge
port, then connect 3" x 2" reducer to elbow.
2. Discharge Cone Safety Latch – When towing of the pump
is required, ALWAYS secure the discharge cone to latch
located on the manifold.
3. Rear Running Lights – ALWAYS check and make sure
both the right and left running lights are functioning correctly
before towing the pump.
4. Hopper – Concrete from a Redi-Mix truck is poured into
this hopper. The hopper can hold 6.0 cu. ft of concrete.
NEVER put hands or any other parts of you body into the
hopper.
5. Safety Grill – The safety grill should be locked at all times
when the pump is being towed. Under normal working
conditions, raise and place the safety grill on the support
hooks which are located on splash guard.
6. Shaft Pulley V-Belt – ALWAYS inspect the drive shaft V-
belt for wear and alignment. A defective or misaligned V-
belt can wear prematurely and adversely affect the
performance of the pump. Replace with only manufactures
recommended type V-belt.
7. Distributor – NEVER allow concrete, water or any foreign
debris to come in contact with the distributor.
8. Compartment Hood – NEVER operate the pump with the
hood removed. Installed on the pump frame is a safety inter-
lock device which prevents the engine from starting if the
hood is removed or in the up position (open).
9. Hood Fastener – When the hood is in the down position,
secure the rubber latch to this fastener.
10. Hood Lift Handle – Grip this handle, pull upward then
back to raise the compartment hood.
11. Control Box – Contains the mechanical and electrical
components required to run the pump. Below is a list of
those components:
■
Throttle Control
■
Low Oil Pressure Indicator
■
Battery Charge Indicator
■
Water Temperature Indicator
■
Ignition Switch
■
Remote Connector
12. Radiator/Cap – Fill with a water/anti-freeze type solution
as recommended in the maintenance section of this manual.
ALWAYS
make sure that the radiator is filled
to
the proper
operating level before starting the engine.
13. Fuel Tank/Cap – Fill with unleaded fuel. Fuel tank (cell)
holds approximately 11 gallons (42 liters). DO NOT top off
fuel. Wipe up any spilled fuel immediately
14. Tow End Jack Stand – Use this jack stand to level and
support the pump.
15. Tow Hitch Coupler – Requires a 2-inch ball hitch or a 3-
inch pintle. Capable of towing 5,000 lbs.
16. Safety Chain – ALWAYS attach safety chain to the towing
vehicle. NEVER! tow the pump with the safety chain
unattached.
17. Engine Stop Device – This device will prevent the starting
of the engine when the compartment hood is in the UP
position. The compartment hood must be in the DOWN
position in order for the engine to start.
18. Grease Port Console – This console allows for the remote
lubrication of components on the pump.
19. Access Door – There are four access doors on the pump.
Remove these door to gain access to drive and piston
assemblies when maintenance is required.
20. Drive Chain – Keep this chain properly lubricated and
aligned at all times. Lubricate this chain as specified in the
maintenance section of this maintenance.
21. Rubber Latch – Secure this rubber latch to the hood
fastener whenever the pump is in use or being towed.
22. Tires Ply– The tire ply (layers) number is rated in letters;
This trailer uses 4-ply tires.
23. Chock Blocks – Place these blocks (not included as part
of your concrete pump package) under each trailer wheel
to prevent rolling.
24. Pump End Jack Stand – Use this jack stand to level and
support the pump.
25. Discharge Cone Release Lever – secures the discharge
cone to the "Y" manifold; also relieves manifold pressure.
26. Documentation Box – Contains engine and pump
operation, parts and maintenance information.
27. Lubrication Box – This box is empty when shipped from
the factory. Please fill with 7 gallons ( 26.5 liters) of SAE
motor oil for first time use. Also check the dual clean-out
point on bottom of lubrication box for a secure tight fit.