Spicer Drive Axles Service Manual Wheel Reduction Drive Axles (EA-50) - Manual (Page 33)

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CHECKING DIFFERENTIAL LOCK OPERA CHECKING DIFFERENTIAL LOCK OPERA CHECKING DIFFERENTIAL LOCK OPERA CHECKING DIFFERENTIAL LOCK OPERA CHECKING DIFFERENTIAL LOCK OPERATION TION TION TION TION
IMPOR IMPOR IMPOR IMPOR IMPORT T T T TANT ANT ANT ANT ANT: Befor : Befor : Befor : Befor : Before t e t e t e t e teeeeesting differ sting differ sting differ sting differ sting differential lock ential lock ential lock ential lock ential lock
oper oper oper oper operaaaaation, v tion, v tion, v tion, v tion, vehicle m ehicle m ehicle m ehicle m ehicle must be lo ust be lo ust be lo ust be lo ust be low w w w wer er er er ered comple ed comple ed comple ed comple ed completttttel el el el elyyyyy
ttttto floor and clear of all obst o floor and clear of all obst o floor and clear of all obst o floor and clear of all obst o floor and clear of all obstacle acle acle acle acles (jack st s (jack st s (jack st s (jack st s (jack stands, ands, ands, ands, ands,
hoist, t hoist, t hoist, t hoist, t hoist, tools, e ools, e ools, e ools, e ools, etc.). tc.). tc.). tc.). tc.).
1. Start engine and allow air pressure system to build
up to normal operating level.
2. Place cab differential lock switch in the unlocked
(disengaged) position.
3. Drive vehicle at very slow speed, (MAX 10 M.P.H.)
and check differential lock cab light. The indicator
light should be OFF when lock is in the disengaged
(unlocked) position.
4. Continue to drive vehicle at low speed (MAX 10
M.P.H.) and flip differential lock cab switch to the
engaged (locked) position. The indicator light
should now come ON.
IMPOR IMPOR IMPOR IMPOR IMPORT T T T TANT ANT ANT ANT ANT: If indica : If indica : If indica : If indica : If indicatttttor light r or light r or light r or light r or light remains on when emains on when emains on when emains on when emains on when
switch is in the unlock switch is in the unlock switch is in the unlock switch is in the unlock switch is in the unlocked position, check t ed position, check t ed position, check t ed position, check t ed position, check to see if the o see if the o see if the o see if the o see if the
man man man man manual engaging bolt w ual engaging bolt w ual engaging bolt w ual engaging bolt w ual engaging bolt waaaaas r s r s r s r s remo emo emo emo emovvvvved fr ed fr ed fr ed fr ed from the shift om the shift om the shift om the shift om the shift
cylinder a cylinder a cylinder a cylinder a cylinder assembl ssembl ssembl ssembl ssemblyyyyy. If engaging bolt r . If engaging bolt r . If engaging bolt r . If engaging bolt r . If engaging bolt remains, r emains, r emains, r emains, r emains, remo emo emo emo emovvvvveeeee
it and r it and r it and r it and r it and replace with shift cylinder plug. R eplace with shift cylinder plug. R eplace with shift cylinder plug. R eplace with shift cylinder plug. R eplace with shift cylinder plug. Reeeeettttteeeeest for st for st for st for st for
corr corr corr corr correct differ ect differ ect differ ect differ ect differential lock oper ential lock oper ential lock oper ential lock oper ential lock operaaaaation. tion. tion. tion. tion.
NO NO NO NO NOTE: If differ TE: If differ TE: If differ TE: If differ TE: If differential lock still doe ential lock still doe ential lock still doe ential lock still doe ential lock still does no s no s no s no s not oper t oper t oper t oper t operaaaaattttte in e in e in e in e in
accor accor accor accor accordance with abo dance with abo dance with abo dance with abo dance with abovvvvve t e t e t e t e teeeeest st st st sts, check all air and s, check all air and s, check all air and s, check all air and s, check all air and
electrical connections. La electrical connections. La electrical connections. La electrical connections. La electrical connections. Lastl stl stl stl stlyyyyy, if needed, r , if needed, r , if needed, r , if needed, r , if needed, remo emo emo emo emovvvvveeeee
carrier b carrier b carrier b carrier b carrier by pr y pr y pr y pr y procedur ocedur ocedur ocedur ocedureeeees outlined in the "Carrier R s outlined in the "Carrier R s outlined in the "Carrier R s outlined in the "Carrier R s outlined in the "Carrier Re- e- e- e- e-
mo mo mo mo movvvvval " section and follo al " section and follo al " section and follo al " section and follo al " section and follow all a w all a w all a w all a w all assembl ssembl ssembl ssembl ssembly st y st y st y st y steps for eps for eps for eps for eps for
inst inst inst inst installa alla alla alla allation of the carrier int tion of the carrier int tion of the carrier int tion of the carrier int tion of the carrier into the housing. o the housing. o the housing. o the housing. o the housing.
Differ Differ Differ Differ Differential Lock Check Complet ential Lock Check Complet ential Lock Check Complet ential Lock Check Complet ential Lock Check Completeeeee