M915A3 And M915A5

Front 1

M915 used what semitrailers on line haul missions?

Back 1

M871 M872 M1062

Front 2

Gross vehicle weight rating

Back 2

52000 pounds

Front 3

915 is equipped with

Back 3

2 way oscillating, sliding fifth wheel compatible with a 2 inch king pin

Front 4

Maximum towed load on kingpin

Back 4

30000 lbs

Front 5

Fully loaded 915 on class 1 road can maintain what speed on level road

Back 5

65mph and 29mph while ascending a 3 percent grade

Front 6

Minimim turning diameter, curb to curb

Back 6

53ft 9in

Front 7

Average cruising ranges GCWR with a full tank will vary based on what

Back 7

CONDITIONS e.g varying load prolong idle and climatic conditions

Front 8

Optmal cruising range

Back 8

400 miles

Front 9

Engine oil pressure measured in what unit

Back 9

PSI (KPa)

Front 10

Engine oil normal pressure at rated speed 1200 rpm

Back 10

50 to 70 PSI (345-483 KPa)

Front 11

Engine oil at idle speed 600 rpm

Back 11

15 PSI (100 KPa) minimum

Front 12

Tachometer registers engine speed in RMP

Back 12

Maximum govern speed 2100

Idle speed 600 rpm

Front 13

Primary air pressure gauge is registered in

Back 13

PSI in REAR BRAKE SYSTEM

90-120 normal operating range

Front 14

Air pressure normal operating range

Back 14

90-120 (621-827KPa)

Front 15

Secondary air pressure is registered in

Back 15

PSI FRONT brake system

Front 16

Engine JAKE BRAKE selector switches

Back 16

2 4 or 6 cylinders

2 Left for 2 cylinder

4 Right for 4 cylinders

2 n 4 for 6 cylinders

Front 17

Fifth wheel slide

Back 17

Permit repositioning of sliding 5th wheel from inside cab

LOCK position- deactivate control valve n locks 5th wheel to baseplate

UNLOCK- activate control valve to allow CHANGES

Front 18

INter-axle lockout control valve lever

Back 18

Lock/unlock driveline based on driving conditions

LOCK- in poor tracktion STOP VEHICLE place lever in lock position

UNLOCK- when bak in normal conditions kove lever to unlock while moving

Front 19

Parking brakes

Back 19

Diamond shaped knob operates parking valve

Front 20

Trailer air supply

Back 20

Red octagonal shaped

Push- charge trailer air supply/release trailer spring brake

Pull- shut off air supply

Front 21

LOW AIR PRESSURE WARNING LIGHT

Back 21

Red light +buzzer sound when either section of dual system fail below 65psi

If in blackout only buzzer will go off

Front 22

A5: ENGINE COOLANT TEMPERATURE

Back 22

Registered in degrees

Front 23

Collosion warning system CWS

Back 23

Forward n side radar system

Transmit/receive signal off objects to front and side of tractor

Front 24

A5 Primary air pressure gauge "A" rear brake system

Back 24

Register in PSI

Normal operating range between RED BANDS

Front 25

'B' secondary air pressure gauges

Back 25

Register in PSI

Front brake system

Trailer and accessories

NORMAL range RED BANDS

Front 26

Transmission oil gauge

Back 26

Indicate transmission oil temperature in degrees Fahrenheit

Normal range in green bands

If needle goes to YELLOW or RED band STOP n investigate

Front 27

A5 INTR AXLE LOCK/UNLOCK SWITCH

Back 27

Lock- stop vehicles press top of switch

Unlock- 25mph or less turn off switch

Front 28

ABS indicator light

Back 28

Yellow light come on when ignition is on

Go out after 5-10 sec

Buzzer wont go off if BO DROVE is on

Front 29

Trailer ABS indicator light

Back 29

When coupled to abs equipped trailer YELLOW light on for abs failure

Front 30

Transmission warning light

Back 30

REd light + buzzer comes on when temperature reaches 325F or 163C

Buzzer will no go off if in BO drive

Front 31

low air pressure warning light

Back 31

RED light +buzzer wen pressure falls below 65psi

Light switch mus be in SER DRV STOP LIGHT OR PARK for buzzer to sound

Buzzer wont go off in blackout drive

Front 32

Engine BRAKES

Back 32

Switch in HIGH MEDIUM LOW

A slowing device NOT a vehicle stopping device

Front 33

Test operations for Engine brake

Back 33

Let engine warm up before turning on the engine brake switch

Engine brakes uses engine oil to operate

Front 34

Remove pressure from accelerator

Observe engine braking operation

Back 34

Set switch to MEDIUM and HIGH for 4 to 6 cylinders

Front 35

Engine brakes WARNING

Back 35

Do not use if road surface is slippery

Using engine brake on wet icy or snow covered road could result in loss of vehicle control

Failure to follow warning may result in death or equipment damage

Front 36

Braking function

Primary/secondary must be monitored

Back 36

Shid have 90-120 psi

Front 37

Braking functions ops

If air pressure falls below 65 psi

Back 37

Buzzer will go off

Front 38

A5 engine coolant temp normal range

Back 38

190-225 °F

Front 39

A5 engine oil pressure

Back 39

40-75 @rated speed 2100rpm

10 psi for idle speed