B1CB1CK1 - 406D9 XU INJECTION
DATA - IDENTIFICATION PISTONS - PISTON RINGS
1 - IDENTIFICATION OF PISTONS
XU5JP ENGINE XU7JP ENGINE XU7JB ENGINE
(A) Reference : Piston type .
(B) Reference : Identification of pistons .
XU7JP4 ENGINE XU10J4R ENGINE
(A) or (C) : Reference Piston type .
(B) Reference : Identification of pistons .
ALL MODELS
2 - DATA - PISTONS
WARNING : the pistons are supplied fitted with their gudgeon pin; as the two components are matched, do not mix the pistons and the gudgeon pins .
2 - 1 - XU10 ENGINES
| legislation type | RFT - RFY |
|---|---|
| distance (mm) | nominal |
| ø D | ø 85.965 ± 0.009 |
| E | 56.1 |
| F | 39.1 ± 0.05 |
| repair dimensions | |||
|---|---|---|---|
| legislation type | RFT - RFY | RFT - RFY | RFT - RFY |
| distance (mm) | repair 1 | repair 2 | repair 3 |
| ø D | ø 86.215 ± 0.009 | ø 86.565 ± 0.009 | - |
| mark pistons : (A) | |||
XU10J4R ENGINE
| legislation type | RFV - R6E |
|---|---|
| distance (mm) | nominal |
| ø D | ø 85.965 ± 0.009 |
| E | 43.8 |
| F | 33.8 ± 0.025 |
| repair dimensions | |||
|---|---|---|---|
| legislation type | RFV - R6E | RFV - R6E | RFV - R6E |
| distance (mm) | repair 1 | repair 2 | repair 3 |
| ø D | ø 86.215 ± 0.009 | ø 86.565 ± 0.009 | - |
| mark pistons R6E : (ZZ) mark pistons RFV : (W) |
|||
2 - 2 - XU5 - XU7 ENGINES
IMPERATIVE : fit pistons of the same category as the liners (see piston identification) .
WARNING : the liners/pistons operating clearance varies depending on the supplier, therefore, dimension E differs depending on the make of piston .
Marking with the abbreviation PDC, SMM, FM is on the inside of the piston, under the head .
XU5JP ENGINE
| legislation type | BFZ | BFZ | BFZ |
|---|---|---|---|
| distance (mm) | supplier(s) : PDC | supplier(s) : SMM | supplier(s) : FM |
| ø D - category A | - | ø 82.912 ± 0.005 | ø 82.962 ± 0.005 |
| ø D - category B | ø 82.970 ± 0.007 | ø 82.922 ± 0.005 | ø 82.972 ± 0.005 |
| ø D - category C | ø 82.980 ± 0.007 | ø 82.932 ± 0.005 | - |
| E | 54.5 ± 0.5 | 54.5 ± 0.5 | 54.5 ± 0.5 |
| F | 37.5 ± 0.025 | 37.5 ± 0.025 | 37.5 ± 0.025 |
| mark pistons : (D) | |||
XU7JP ENGINE
| legislation type | LFW - LFZ - L6A - L6B | LFW - LFZ - L6A - L6B | LFW - LFZ - L6A - L6B |
|---|---|---|---|
| distance (mm) | supplier(s) : PDC | supplier(s) : SMM | supplier(s) : FM |
| ø D - category A | ø 82.960 ± 0.007 | ø 82.912 ± 0.005 | ø 82.962 ± 0.005 |
| ø D - category B | ø 82.970 ± 0.007 | ø 82.922 ± 0.005 | ø 82.972 ± 0.005 |
| ø D - category C | - | ø 82.932 ± 0.005 | - |
| E | 43.3 ± 0.2 | 43.3 ± 0.2 | 43.3 ± 0.2 |
| F | 33.3 ± 0.05 | 33.3 ± 0.05 | 33.3 ± 0.05 |
| mark pistons LFW - LFZ : (E) mark pistons L6A - L6B : (G) |
|||
XU7JP4 ENGINE
| legislation type | LFY | LFY | LFY |
|---|---|---|---|
| distance (mm) | supplier(s) : PDC | supplier(s) : SMM | supplier(s) : FM |
| ø D - category A | ø 82.970 ± 0.007 | ø 82.912 ± 0.005 | ø 82.962 ± 0.005 |
| ø D - category B | ø 82.980 ± 0.007 | ø 82.922 ± 0.005 | ø 82.972 ± 0.005 |
| ø D - category C | - | ø 82.932 ± 0.005 | - |
| E | 46.3 | 46.3 | 46.3 |
| F | 33.3 ± 0.05 | 33.3 ± 0.05 | 33.3 ± 0.05 |
| mark pistons : (W) | |||
ALL MODELS
3 - IDENTIFICATION - PISTON RINGS
(1) :Compression ring (No direction of fitting) .
(2) : Sealing ring (Identification TOP towards the top) .
(3) : Scraper ring with its spring (No direction of fitting) .