ap3111p3121bb

Lubricate and check operation of trailer hitch with detachable ball neck

Type ap · topic 31.11 · version 0202 · 2017-07-25

Applies to: Model 140 with code 550 (Trailer coupling) without bumper filler for removable ball neck Model 163, 168, 202, 208, 210 with code 550 (Trailer coupling) Model 220 (except 220.179) with code 550 (Trailer coupling) for removable ball neck Model 414

Where it sits

Function group 2 Chassis › 31 Frame, trailer operation › 31.11 Trailer coupling - mechanical system — Series 140 · Series 163 · Series 168 · Series 202 · Series 208 · Series 210 · Series 220 (models 025, 026, 028, 063, 065, 067, 070, 073, 074, 075, 083, 084, 087, 125, 126, 128, 163, 165, 167, 170, 173, 174, 175, 176, 178, 183, 184, 187, 875, 878) · Series 414

EinPAS 35 Body/frame/detachable parts › 35.60 Trailer hitch › 35.60.30 Trailer hitch/trailer coupling — Series 140 · Series 163 · Series 168 · Series 202 · Series 208 · Series 210 · Series 220 (models 025, 026, 028, 063, 065, 067, 070, 073, 074, 075, 083, 084, 087, 125, 126, 128, 163, 165, 167, 170, 173, 174, 175, 176, 178, 183, 184, 187, 875, 878) · Series 414

AP31.11-P-3121BB

Lubricate and check operation of trailer hitch with detachable ball neck

21.07.2017

Model

140

with code 550 (Trailer coupling)

without bumper filler for removable ball neck

Model

163, 168, 202, 208, 210

with code 550 (Trailer coupling)

Model

220 (except 220.179)

with code 550 (Trailer coupling)

for removable ball neck

Model

414

Lubricate and check operation of trailer hitch with detachable ball neck

P31.11-0221-01

Check

1

Remove cover for ball neck mounting

2

Remove ball neck from vehicle

If ball neck and ball neck mounting are contaminated

As a separate repair order

Trailer hitch with detachable ball neck - clean after testing

AP31.11-P-3130ZB

3

Check diameter of coupling ball (arrows)


The ball neck must no longer be used if it measures less than the minimum diameter.
Otherwise a trailer can become detached from the coupling ball (arrows).

Minimum diameter of ball head

*BE31.11-P-1001-01A

4

Check function of ball neck

AP31.11-P-3121-02BB


In the event of any malfunctions the ball neck may no longer be used.
Otherwise the ball neck may work its way loose from the vehicle.

5

Lubricate the ball neck, coupling ball and ball neck mounting

AP31.11-P-3121-04BB

Multigrade engine oils (specification 228.1)

BB00.40-P-0228-01A

Multigrade engine oils (specification 228.3)

BB00.40-P-0228-03A

Automatic transmission fluids (ATF) (specification 236.6)

BB00.40-P-0236-06A

Automatic transmission fluids (ATF) (specification 236.7)

BB00.40-P-0236-07A

Automatic transmission fluids (ATF) (specification 236.8)

BB00.40-P-0236-08A

Grease (NLGI grade 1)

BB00.40-P-0266-00A

Multipurpose grease (NLGI Class 2)

BB00.40-P-0267-00A

MB multipurpose grease, 5 kg

*BR00.45-Z-1034-06A

6

Place ball neck back into vehicle

7

Attach cover for ball neck mounting

Check values for trailer hitch

Number

Designation

Model all (CAR, Light transporter, smart)

BE31.11-P-1001-01A

Minimum diameter of ball head

mm

49

Repair materials

Number

Designation

Order number

BR00.45-Z-1034-06A

MB multipurpose grease, 5 kg

A 001 989 34 51 10

Referenced documents