Page 203 of 378
Relay
LocationRelay Description
R19 Shift interlock/EPRNDL display
R20 Selective Catalyst Reduction (SCR) system (NOx) (diesel
engine only)
R21 Run
R22 Door unlock
R23 ABS warning indicator
R24 DRL #2
R25 Park lights
R26 Spare
Trailer Tow Relays (If Equipped)
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
1 30A* Trailer tow ABS feed (non electric trailer
brake vehicles only)
2 30A* Trailer tow park/marker lamps
3 30A* Trailer tow stop lamps
TRAILER
ABS
TRAILER
STOP
LAMPTRAILER
MARKER
LAMP
TRAILER
TA I L
LAMPNOT
USEDNOT
USED
LH
TURNRH
TURN30A
30A
30A
30A
NOT USED
5 4 32 1 R1R2R5
R6
R3R4R7
R8
202Fuses
2013 F-650/750(f67)
Owners Guide gf, 2nd Printing, March 2013
USA(fus)
Page 204 of 378

Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
4 30A* Trailer tow turn/stop lamps (combined)
Trailer tow turn lamps (separate)
5 — Not used
R1 — Trailer tow ABS relay (non electric trailer
brake vehicles only)
R2 — Trailer tow marker lamp relay
R3 — Trailer tow stop lamp relay
R4 — Trailer tow tail lamp relay
R5 — Not used
R6 — Not used
R7 — Trailer tow left turn lamp relay
R8 — Trailer tow right turn lamp relay
*Maxi fuse
Inline Fuses
Your vehicle may have several inline fuses located in, or on, the battery
cables located in the battery box (depending on application).
•All vehicles equipped with an Allison transmission have a 10 amp fuse
located in the clean power cables located in the battery box.
•All vehicles have a 30 amp fuse located in the clean power cables
located in the battery box.
•All vehicles equipped with an Eaton transmission have a 30 amp fuse
located in the clean power cables located in the battery box.
•All vehicles equipped with hydraulic brakes have a 40 amp fuse
located in the clean power cables located in the battery box. In
addition, another 30 amp fuse is located in a fuse holder just above
the power distribution center located in the vehicle’s engine
compartment.
Fuses203
2013 F-650/750(f67)
Owners Guide gf, 2nd Printing, March 2013
USA(fus)
Page 295 of 378

ON-HIGHWAY - 60000 MILES (96000 KM) OR MORE ANNUALLY (Continued)
(Miles, kilometers or months - whichever occurs first)
Miles (x 1000) 15 30 45 60 75 90 105 120 135 150
Kilometers (x 1000) 24 48 72 96 120 144 168 192 216 240
Months 3 6 9 12 15 18 21 24 27 30
Non-driving Front Axle
Drag link/kingpin and bushing/tie rod ends - lubricate••••••••••
Wheel bearing - grease type - repack•••••
Wheel bearing - oil type - change oil•
Wheel bearing - oil type - check level••••••••••
Brake System
Master cylinder - check level (hydraulic brakes)••••••••••
Parking brake relay lever/linkage - lubricate (hydraulic
brakes)••
S-cam - lubricate (air brakes)••••••••••
Slack adjusters - lubricate (air brakes)••
Steering
Power steering filter - replacement Every five years or 500000 miles (800000 km)
Power steering fluid - change•
Power steering fluid - check level••••••••••
Steering column U-joints/slip joint - lubricate••••••••••
Steering gear Ross TAS - output shaft - lubricate•••
Driveshaft
U-joint - lubricate (SPL) Every 100000 miles (160000 km) or six months
U-joint and slip joint - lubricate (non-SPL) Every 10000–15000 miles (16000–24000 km) or three months
294Scheduled Maintenance
2013 F-650/750(f67)
Owners Guide gf, 2nd Printing, March 2013
USA(fus)
Page 299 of 378

ON-HIGHWAY - 60000 MILES (96000 KM) OR MORE ANNUALLY (Continued)
(Miles, kilometers or months - whichever occurs first)
Miles (x 1000) 165 180 195 210 225 240 255 270 285 300
Kilometers (x 1000) 264 288 312 336 360 384 408 432 456 480
Months 33 36 39 42 45 48 51 54 57 60
Non-driving Front Axle
Drag link/kingpin and bushing/tie rod ends - lubricate••••••••••
Wheel bearing - grease type - repack•••••
Wheel bearing - oil type - change oil••
Wheel bearing - oil type - check level••••••••••
Brake System
Master cylinder - check level (hydraulic brakes)••••••••••
Parking brake relay lever/linkage - lubricate (hydraulic
brakes)••
S-cam - lubricate (air brakes)••••••••••
Slack adjusters - lubricate (air brakes)•••
Steering
Power steering filter - replacement Five years or 500000 miles (800000 km)
Power steering fluid - change••
Power steering fluid - check level••••••••••
Steering column U-joints/slip joint - lubricate••••••••••
Steering gear Ross TAS - output seal - lubricate•••
Driveshaft
U-joint - lubricate (SPL) Every 100000 miles (160000 km) or six months
U-joint and slip joint - lubricate (non-SPL) Every 10000–15000 miles (16000–24000 km) or three months
298Scheduled Maintenance
2013 F-650/750(f67)
Owners Guide gf, 2nd Printing, March 2013
USA(fus)
Page 303 of 378

CITY - 60000 MILES (96000 KM) OR FEWER ANNUALLY (Continued)
(Miles, kilometers or months - whichever occurs first)
Miles (x 1000) 10 20 30 40 50 60 70 80 90 100
Kilometers (x 1000) 16 32 48 64 80 96 112 128 144 160
Months 3 6 9 12 15 18 21 24 27 30
Brake System
Master cylinder - check level (hydraulic brakes)••••••••••
Parking brake relay lever/linkage - lubricate (hydraulic
brakes)•••
S-cam - lubricate (air brakes)••••••••••
Slack adjusters - lubricate (air brakes)••
Steering
Power steering filter - replacement Five years or 50000 miles (80000 km)
Power steering fluid - change••
Power steering fluid - check level••••••••••
Steering column U-joints/slip joint - lubricate••••••••••
Steering gear Ross TAS - output seal - lubricate•••
Driveshaft
U-joint - lubricate (SPL) Every 25000 miles (40000 km) or six months (whichever comes
first)
U-joint and slip joint - lubricate (non-SPL) Every 5000–8000 miles (8000 km-12000 km) or three months
(whichever comes first)
Clutch
Release bearing/shafts/forks - lubricate••••••••••
302Scheduled Maintenance
2013 F-650/750(f67)
Owners Guide gf, 2nd Printing, March 2013
USA(fus)
Page 306 of 378

CITY - 60000 MILES (96000 KM) OR FEWER ANNUALLY (Continued)
(Miles, kilometers or months - whichever occurs first)
Miles (x 1000) 110 120 130 140 150 160 170 180 190 200
Kilometers (x 1000) 176 192 208 224 240 256 272 288 304 320
Months 33 36 39 42 45 48 51 54 57 60
Brake System
Master cylinder - check level••••••••••
Parking brake relay lever/linkage - lubricate•••
S-cam - lubricate••••••••••
Slack adjusters - lubricate•••
Steering
Power steering filter - replacement Five years or 50000 miles (80000 km)
Power steering fluid - change•••
Power steering fluid - check level••••••••••
Steering column U-joints/slip joint - lubricate••••••••••
Steering gear Ross TAS - output seal - lubricate•••
Driveshaft
U-joint - lubricate (SPL) Every 25000 miles (40000 km) or six months (whichever comes
first)
U-joint and slip joint - lubricate (non-SPL) Every 5000–8000 miles (8000 km-12000 km) or three months
(whichever comes first)
Clutch
Release bearing/shafts/fork - lubricate••••••••••
Scheduled Maintenance305
2013 F-650/750(f67)
Owners Guide gf, 2nd Printing, March 2013
USA(fus)
Page 309 of 378

SEVERE SERVICE - ON/OFF ROAD IN DIRTY CONDITIONS OR 20000 MILES (32000 KM) OR FEWER
ANNUALLY (Continued)
(Miles, kilometers or months - whichever occurs first)
Miles (x 1000) 5 10 15 20 25 30 35 40 45 50
Kilometers (x 1000) 8 16 24 32 40 48 56 64 72 80
Months 3 6 9 12 15 18 21 24 27 30
Brake System
Master cylinder - check fluid level (hydraulic brakes)•••
Parking brake relay lever/linkage - lubricate (hydraulic
brakes)•••
S-cam - lubricate (air brakes)••••••••••
Slack adjusters - lubricate (air brakes)••
Steering
Power steering fluid - change••
Power steering fluid - check level••••••••••
Steering column U-joints/slip joints - lubricate••••••••••
Steering gear Ross TAS - output seal - lubricate•••
Driveshaft
Slip joint - inspect boot; U-joint - lubricate (SPL) Every 25000 miles (40000 km) or six months (whichever comes
first)
U-joint and slip joint - lubricate (non-SPL) Every 5000–8000 miles (8000–12000 km) or three months
(whichever comes first)
Clutch
Release bearing/shafts/forks••••••••••
308Scheduled Maintenance
2013 F-650/750(f67)
Owners Guide gf, 2nd Printing, March 2013
USA(fus)
Page 313 of 378

SEVERE SERVICE - ON/OFF ROAD IN DIRTY CONDITIONS OR 20000 MILES (32000 KM) OR FEWER
ANNUALLY (Continued)
(Miles, kilometers or months - whichever occurs first)
Miles (x 1000) 55 60 65 70 75 80 85 90 95 100
Kilometers (x 1000) 88 96 104 112 120 128 136 144 152 160
Months 33 36 39 42 45 48 51 54 57 60
Non-driving Front Axle
Drag link/kingpin and bushing/tie rod ends - lubricate••••••••••
Wheel bearing - grease type - repack•••
Wheel bearing - oil type - change oil•••
Wheel bearing - oil type - check level••••••••••
Brake System
Master cylinder - check fluid level (hydraulic brakes)••••••••••
Parking brake relay lever/linkage - lubricate (hydraulic
brakes)•••
S-cam - lubricate (air brakes)••••••••••
Slack adjusters - lubricate (air brakes)•••
Steering
Power steering filter - replacement•
Power steering fluid - change•••
Power steering fluid - check level••••••••••
Steering column U-joints/slip joint - lubricate••••••••••
Steering gear Ross TAS - output seal - lubricate•••
312Scheduled Maintenance
2013 F-650/750(f67)
Owners Guide gf, 2nd Printing, March 2013
USA(fus)