Specifications

PAGE 16 — MAYCO C30HDZ PUMP — OPERATION AND PARTS MANUAL — REV. #12 (04/03/12)
TRAILER SAFETY GUIDELINES
This section is intended to provide the user with trailer service
and maintenance information. Remember periodic inspection of
the trailer will ensure safe towing of the equipment and will
prevent damage to the equipment and personal injury.
It is the purpose of this section to cover the major maintenance
components of the trailer. The following trailer components will
be discussed in this section:
■ Tires
■ Lug Nut Torquing
■ Suspension
■ Electrical
Trailer Safety Precautions
ALWAYS make sure that the trailer is in good operating condi-
tion. Check the tires for proper inflation and wear. Also check the
wheel lug nuts for proper tightness.
CAUTION - General Trailer Safety
The following list defines the major trailer components:
1. Fuel Cell – Provides an adequate amount of fuel for the
equipment in use. Fuel cells must be empty when transport-
ing equipment.
2. Frame Length – This measurement is from the ball hitch to
the rear bumper (reflector).
3. Frame Width – This measurement is from fender to fender.
4. Jack Stand – Trailer support device with maximum pound
requirement from the tongue of the trailer.
5. Coupler – Type of hitch used on the trailer for towing. This unit
employes a 2 in. ball.
6. Tires Size – Indicates the diameter of the tire in inches (10,
12, 13, 14, etc. ), and the width in millimeters (175, 185, 205
etc.). The tire diameter must match the diameter of the tire rim.
This unit employes 7.35 x 14 in. tires.
7. Tires Ply – The tire ply (layers) number is rated in letters:
2-ply, 4-ply, 6-ply, 8-ply, 10-ply etc. This unit employes
4-ply tires.
8. Wheel Hub – The wheel hub is connected to the trailer's axle.
9. Tire Rim – Tires are mounted on a tire rim. The tire rim must
match the size of the tire.
10. Lug Nuts – Used to secure the wheel to the wheel hub.
Always use a torque wrench to tighten down the lug nuts. See
Table 5 and Figure 4 for lug nut tightening and sequence. This
unit employes 5 lug nuts to secure the wheel to the hub.
11. Axle – This trailer employs a torsion bar type suspension,
which can support 3,500 lbs.
12. Electrical – Electrical connectors (looms) are provided with
the trailer so that brake lights and turn signal lights can be
connected to the towing vehicle. See
Trailer Wiring Diagram
for proper wiring connections.