Midland SIDE DUMP GRAVEL TRAILER Operator's Manual page 31

4.5 PRE-OPERATION (cont'd)
2. Fifth Wheel (Upper)
a. Kingpin not worn, bent or damaged.
b. Anchor frame not cracked, bent, worn or
damaged.
3. Air, Hydraylic and Electric Lines Visible From
This Point
a. Should be secure from dangling, snagging
and chafing.
b. Should be free from damage and clean.
Step 3 - Right of Trailer Area
1. Front Trailer Support (Landing Gear)
a. Fully raised and secured, no missing parts,
not bent or otherwise damaged.
b. Crank handle present and secured (typically
on left side).
2. Spare Tires
a. Carrier or rack not damaged.
b. Tire and/or wheel securely mounted in the
rack.
c. Tire and wheel condition adequate. Proper
spare tire size, correctly inflated.
3. Lights and Reflectors
a. Trailer side clearance lights clean, operating
and proper colour.
b. Reflectors and conspicuously tape clean and
proper colour.
4. Frame and Body
a. Frame and cross members not bent, cracked,
damaged or missing.
b. Body parts not damaged or missing.
5. Air Tank
a.
Drain moisture from air tank(s) daily. Pull on
cable attached to drain valve. Hold cable until
the tank moisture is drained and the stream is
clear.
NOTE
During cold weather drain moisture from
the air tanks every day to prevent ice build
up. During cold weather operation, use
only recommended air line anti freeze in
the trailer air system. Alcohol or methyl
hydrate is not to be used because they will
remove vital lubricants causing premature
failures of valves and components. Traces
of these products will void any warranty
consideration.
Step 4 - Right Rear Trailer Wheel Area
1. Dual Wheels
a. Condition of wheels and rims, no cracked or
bent rims, broken spacers, studs, clamps or
lugs.
b. Condition of tires - properly inflated, valve
stems not touching wheel rims or brake
drums, valve caps in place, no serious
cuts, bulges, tread wear or any signs of
misalignment and no debris stuck between
the tires.
c. Tires all same type e.g. do not mix radial and
bias types on the same axles.
d. Wheel bearings and hub - no obvious leaking.
e. Mud flaps in place and in good condition.
2. Tandem or Triaxles
a. Repeat wheel and tire inspection as above.
b. Flexible air lines not cracked, cut, crimped
or otherwise damaged, secured against
tangling, dragging or chafing.
3. Suspension
a. Mechanical: Condition of spring(s), spring
hangers, equalizers and U-bolts.
b. Air: Condition of air bag(s), axle clamping
bolts, pivot arm and height control valve.
c. Axle alignment.
d. Retorque all fasteners.
Step 5 - Brakes
1. Brakes
a. Condition of brake drum(s).
b. Condition of hoses, lines and valves.
c. Check slack adjusters.
d. Check air chamber mounting.
e. Check spring brakes (if so equipped).
f. Drain moisture from air tank with cable.
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