TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER

Question 0

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
OVERVIEW

Load capacity varies from ____________ at the tip depending on the degree of elevation.

Answer 0

250-750 lbs.

Load capacity varies from 250-750 lbs. at the tip depending on the degree of elevation.

Question 1

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
OVERVIEW

The 100′ Aerial Ladder operates by utilizing two double acting hydraulic lift cylinders which provide smooth, precise elevation from ________________ above horizontal.

Answer 1

0 - 80 degrees

The 100′ Aerial Ladder operates by utilizing two double acting hydraulic lift cylinders which provide smooth, precise elevation from 0-80 degrees above horizontal.

Question 2

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
OVERVIEW

Description of 100’ aerial ladder

Answer 2

4 sections - 1 stationary and 3 sliding sections

36ft in length

8’ width with stabilizers nested/18’ 4” with stabilizers fully extended (5’2” for each stabilizer)

10’8” in height

Question 3

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
AERIAL CONTROL PANEL OPERATIONS

Steps to activating POWER TAKE OFF (PTO) for an aerial ladder:

Answer 3

• transmission is in neutral
• engage the maxi-brake
• move front brake lock switch to the on position
• open the red cover of PTO switch and flip the switch to the up position (PTO light will illuminate)

Question 4

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
AERIAL CONTROL PANEL OPERATIONS

TRUE/FALSE

The aerial ladder does not need to be bedded to disengage the PTO switch.

Answer 4

FALSE

The aerial ladder must be bedded and stabilizers fully nested.

Question 5

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
STABILIZER OPERATIONS

How many feet clearance does each stabilizer require?

Answer 5

5’2”

Question 6

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
STABILIZER OPERATIONS

What is the function of the interlock diverted valve?

Answer 6

The Interlock Diverter Valve (IDV) performs two functions. The IDV directs the flow of hydraulic fluid to power either the stabilizers or the aerial ladder.

Question 7

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
STABILIZER OPERATIONS

A properly placed stabilizer will cause a ________ STABILIZER DOWN light to illuminate in the Stabilizer Control Compartment.

Answer 7

A properly placed stabilizer will cause a GREEN STABILIZER DOWN light to illuminate in the Stabilizer Control Compartment.

Question 8

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
STABILIZER OPERATIONS

Should a function of the Interlock Diverter Valve system fail, the ladder or stabilizers can be moved by accessing the override controls located in the Interlock Control Compartment at the rear of the apparatus. Overriding the IDV is for ____________. This action should only be performed if there is a malfunction and an emergency exists. The ____________ should be immediately notified if the IDV override is operated.

Answer 8

Should a function of the Interlock Diverter Valve system fail, the ladder or stabilizers can be moved by accessing the override controls located in the Interlock Control Compartment at the rear of the apparatus. Overriding the IDV is for EMERGENCY USE ONLY. This action should only be performed if there is a malfunction and an emergency exists. The INCIDENT COMMANDER should be immediately notified if the IDV override is operated.

Question 9

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
STABILIZER OPERATIONS

Who is contacted if the chauffeur uses the emergency hydraulic pump switch thus overriding the interlock diverted valve to control the aerial?

Answer 9

The incident commander

Question 10

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
STABILIZER OPERATIONS

When extending the stabilizers what size is extended first?

Answer 10

The working/inboard side

Question 11

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
STABILIZER OPERATIONS

A stabilizer that is not fully extended horizontally is considered?

Answer 11

Short-jacked

Question 12

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
STABILIZER OPERATIONS

What must be used at all times to help disperse the weight of the apparatus over a large area?

Answer 12

Ground stabilizer pads

Question 13

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
STABILIZER OPERATIONS

What must be illuminated before the aerial can be operated?

Answer 13

Ensure that the green STABILIZER DOWN INDICATOR LIGHT is illuminated. Both STABILIZER DOWN INDICATOR LIGHTS must be illuminated before the aerial can be operated.

Question 14

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
STABILIZER OPERATIONS

Before operating the Aerial Ladder Controls, _________________ must be placed in the highest hole possible in the stabilizers.

Answer 14

Before operating the Aerial Ladder Controls, MANUAL SAFERY PINS must be placed in the highest hole possible in the stabilizers.

Question 15

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
STABILIZER OPERATIONS

When the ground is not level and the apparatus is leaning, start with the stabilizer on the ______________ first.

Answer 15

When the ground is not level and the apparatus is leaning, start with the stabilizer on the LOWEST SIDE first (the direction the apparatus is leaning).

Question 16

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
STABILIZER OPERATIONS

What is used to aid in the leveling of the apparatus?

Answer 16

The inclinometer

Question 17

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
PEDESTAL CONTROL OPERATIONS

The Safe Rotation Limit Exceeded light Light indicates?

Answer 17

Safe Rotation Limit Exceeded light Light indicates when aerial ladder is rotated past its safe limit when operating on the Short-jacked side or during a mechanical malfunction

Question 18

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
PEDESTAL CONTROL OPERATIONS

This Light indicates (and warning horn sounds) when ladder is subjected to an overload condition.

Answer 18

Ladder Overload Light

Question 19

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
PEDESTAL CONTROL OPERATIONS

The Emergency Override Rotation Limit switch When activated?

Answer 19

Emergency Override Rotation Limit switch When activated, overrides the rotation limit system.

Question 20

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
PEDESTAL CONTROL OPERATIONS

This Switch Activates auxiliary electric hydraulic pump circuit.

Answer 20

Emergency Pump Switch Activates auxiliary electric hydraulic pump circuit.

Question 21

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
PEDESTAL CONTROL OPERATIONS

The aerial enable switch allows?

Answer 21

The aerial enable switch allows operation of aerial control valve (must be depressed for movement of aerial)

Question 22

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
PEDESTAL CONTROL OPERATIONS

Always move control levers at a slow deliberate speed to avoid jerky motions and consequent “whip” of the ladder which could cause personal injury or ladder damage. Turning off the _________________ on the Pedestal Control Panel will reduce pressure in the system and help with feathering the control lever.

Answer 22

THROTTLE CONTROL SWITCH

Always move control levers at a slow deliberate speed to avoid jerky motions and consequent “whip” of the ladder which could cause personal injury or ladder damage. Turning off the THROTTLE CONTROL SWITCH on the Pedestal Control Panel will reduce pressure in the system and help with feathering the control lever.

Question 23

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
PEDESTAL CONTROL OPERATIONS

Extension Footage numbers are located on the base section vertical struts and the corresponding bright colored vertical strut of the second section. When the colored strut is lined up with a footage number, the ladder is extended to that respective length. Always match the ____________ and _______________ for proper load capacity.

Answer 23

INCLINOMETER AND EXTENSION FOOTAGE NUMBERS

Extension Footage numbers are located on the base section vertical struts and the corresponding bright colored vertical strut of the second section. When the colored strut is lined up with a footage number, the ladder is extended to that respective length. Always match the INCLINOMETER and EXTENSION FOOTAGE NUMBERS for proper load capacity.

Question 24

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
AERIAL EMERGENCY HYDRAULIC OPERATIONS

TRUE/FALSE

The aerial ladder has an emergency hydraulic system. This system is to be used when the normal PTO fails or the engine shuts down, and the aerial ladder or jacks need to be used.

Answer 24

TRUE

Question 25

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
AERIAL EMERGENCY HYDRAULIC OPERATIONS

TRUE/FALSE

The electrical pump and batteries DO NOT need a cool-down period between operations

Answer 25

FALSE

The electrical pump and batteries need a cool-down period between operations

Question 26

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
AERIAL EMERGENCY HYDRAULIC OPERATIONS

TRUE/FALSE

When the Normal/Emergency Hydraulic Switch is placed in the Auxiliary position enabling the electric hydraulic pum, the engine must be running.

Answer 26

FALSE

The ENGINE CANNOT BE RUNNING when the Normal/Emergency Hydraulic Switch is placed in the Auxiliary position enabling the electric hydraulic pump.

Question 27

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
AERIAL EMERGENCY HYDRAULIC OPERATIONS

Emergency Aerial Ladder Operation -

Answer 27

• engine OFF, place the ignition ON, place the transmission in the NEUTRAL (N) position and apply all brakes.
• Aerial Control Panel place the PTO CONTROL SWITCH to the ON position and move the NORMAL/EMERGENCY HYDRAULIC SWITCH to the AUXILIARY position (a red indicator light will illuminate).
• Pedestal Controls depress the AERIAL ENABLE FOOT SWITCH.
• Activate the EMERGENCY PUMP SWITCH (this is a momentary switch which means you must hold the switch in the “ON” position) and at the same time activate the function (control lever) that you want the ladder to perform.
• Once ladder has completed the required function release both the control lever for that function and the EMERGENCY PUMP SWITCH at the pedestal and allow for a cool down period before attempting another function.

Question 28

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
AERIAL EMERGENCY HYDRAULIC OPERATIONS

What is the rotating limiting device?

Answer 28

The rotating limiting device is a safety device that limits turntable rotation to keep the apparatus from overturning during operations where the stabilizers are not fully extended horizontally (Short-Jacked).

• depressing the emergency override rotation limit switch overrides this device.

Question 29

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
AERIAL EMERGENCY HYDRAULIC OPERATIONS

When will the aerial’s rotating limiting device activate?

Answer 29

• apparatus stabilizers have not been fully extended horizontally (Short-Jacked)
• mechanical malfunction.

Question 30

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
AERIAL EMERGENCY HYDRAULIC OPERATIONS

The rotating limiting device will not allow ladder rotation of more than?

Answer 30

The aerial’s rotating limiting device will not allow ladder rotation of more than 15 degrees from the center line of the apparatus towards the side which has the Short-Jacked condition or is experiencing a mechanical malfunction.

Question 31

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
AERIAL EMERGENCY HYDRAULIC OPERATIONS

When using the EMERGENCY OVERRIDE ROTATION LIMIT SWITCH, an alarm will sound and the _______________ will illuminate on the Pedestal Control Panel.

Answer 31

When using the EMERGENCY OVERRIDE ROTATION LIMIT SWITCH, an alarm will sound and the SAFE ROTATION LIMIT EXCEEDED INDICATOR LIGHT will illuminate on the Pedestal Control Panel.

Question 32

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
AERIAL EMERGENCY HYDRAULIC OPERATIONS

The aerial’s rotating limiting device, if activated can be overridden by?

Answer 32

Overridden by use of the EMERGENCY OVERRIDE ROTATION LIMIT SWITCH on the Pedestal Control Panel. This is a momentary switch. (Must be continually be held woe operation is in progress)

Question 33

TRAINING BULLETINS - APPARATUS L-7 REARMOUNT AERIAL LADDER
AERIAL EMERGENCY HYDRAULIC OPERATIONS

If there is a malfunction of the Rotation Limiting Device, who must be notified?

Answer 33

FLEET SERVICES

If there is a malfunction of the Rotation Limiting Device, notify Fleet Services as soon as possible.