Winch Overload Device optional feature

Remote Pendant Emergency Stop Valve Operation

(Dwg. MHP1892)

Winch Overload Device (optional feature)

The overload device is integrated into winch air motor control air system and prevents winch from lifting a load greater than overload value. Refer to “INSPECTION” section on page 21. If an overload is detected, inlet supply air is stopped and winch will not operate.

If overload device is activated load must be lowered and reduced. To lower load and reset emergency stop valve:

1.Locate serrated ring directly below emergency stop button. Rotating serrated ring clockwise, causes emergency stop button to ‘pop up’.

2.Depress emergency stop valve ‘ON’ button.

3.Operate winch control in payout direction.

Constant Tension (optional feature)

Refer to Dwg. MHP1865 on page 12.

With auxiliary valve in the NORMAL position, winch provides normal operation. Placing valve selector in TENSIONING position allows winch to automatically operate to haul-in slack wire rope to maintain tension.

Auxiliary valve provides preset air pressure to air motor and disc brake. This allows brake to be released and winch to overhaul during TENSIONING operations. In this position, winch will maintain constant tension on wire rope.

Auxiliary valve is pre-set at zero from the factory. Specific adjustments must be made in the field. Adjustments can be modified at anytime to accommodate the load conditions. Refer to ‘Regulator Adjustment’ in the “MAINTENANCE” section for specific procedure.

Constant Tension (operation)

1.Place auxiliary valve in NORMAL position.

2.Operate winch normally to position end of load line.

3.Connect load line to load.

MHD56037 - Edition 5

WARNING

•Ensure slack load line is taken up by operating winch control valve with selector in NORMAL position. If selector lever is placed in TENSION position the winch will immediately attempt to establish line tension causing line to ‘snap’ resulting in injury or damage to property.

4.Operate winch normally to remove slack from load line.

5.Actuate valve to TENSION position to set winch to automatically haul-in load line and maintain line tension.

Winch Brakes

Manual Drum Brake

Refer to Dwg. MHP0153 on page 48.

The manual drum brake may be applied by pushing down on handle (104) and released by pulling up. If handle is pushed down fully, it should lock in that position and prevent drum rotation, until released by operator. The brake must be kept properly adjusted to hold required load. Refer to ‘Adjustments’ on page 26 in “MAINTENANCE” section for adjustment instructions.

Automatic Drum Brake (optional feature)

Refer to Dwg. MHP0153 on page 48.

The automatic drum brake is a spring applied, air released brake which utilizes an air actuated, spring loaded cylinder (110), that automatically disengages brake when motor is operated. Air pressure in cylinder overcomes spring pressure to release brake. When control valve is placed in neutral position, air in cylinder

(110)is vented and spring automatically engages brake to prevent drum rotation.

The cylinder clevis (107) must be kept properly adjusted to hold required load.

Automatic Disc Brake (optional feature)

Refer to Dwg. MHP0152 on page 46.

The automatic disc brake is a spring applied, air released brake. Using an air actuated, spring loaded piston (10), the brake automatically disengages when motor is operated and engages when throttle is returned to neutral position.

Air pressure ported through brake housing (21) overcomes spring

(9)pressure and moves piston (10) which releases brake. When control valve is placed in neutral position, air is vented, spring pressure overcomes air pressure and spring (9) pressure moves piston, engages brake and prevents drum rotation.

Drum Locking Pin (optional feature)

Refer to Dwg. MHP0155 on page 61.

The drum locking pin is mounted to winch on outboard upright, opposite motor. It should be engaged if a load is left suspended. The drum lock is operated by rotating a pin between a shallow groove (disengaged) and a deep groove (engaged).

To Engage:

1.Rotate drum (80) to align one of the holes in flange with locking pin (136). Pull out, straight away from outboard upright, pull rod (140) and rotate counterclockwise 90°, aligning pin (135) with deep groove in gland (138). Release

FA5T, FA5 specifications

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Ingersoll-Rand FA5T manual Winch Overload Device optional feature, Winch Brakes

Models: FA5T FA5