- Excavator
- 320D (S/N: BZF1-UP; GKS1-UP; SRT1-UP; BWW1-UP; EAX1-UP; CYZ1-UP)
- 320D2 (S/N: BW21-UP; CY21-UP)
- 324D (S/N: JGK1-UP; JKR1-UP; JLS1-UP)
- 325D (S/N: C7K1-UP; C8L1-UP)
- 330D (S/N: H3K1-UP; L2K1-UP)
- 568 (S/N: BRB1-UP; YJX1-UP)
- 320D2 (S/N: BW21-UP; CY21-UP)
- Track Feller Buncher
- 521B (S/N: F7B1-UP)
- 522B (S/N: F7C1-UP)
- 541 Series 2 (S/N: F7D1-UP)
- 552 Series 2 (S/N: F7G1-UP)
- 522B (S/N: F7C1-UP)
Reference: Special Instruction , M0077734 , "Installation of Four-point Seat Belt on Certain Excavators and Track Feller Bunchers".
Four-point seat belts are now available for the machines listed above.
The seat belts have been released as a customer requirement for working on steep slopes. Refer to the assembly procedure below.
Required Parts | |||
---|---|---|---|
Item | Qty | Part Number | Description |
1a | 1 | Seat Gp | |
1b | 1 | Seat Gp | |
2 | 2 | Plate | |
3 | 4 | Washer | |
4 | 4 | Bolt | |
5 | 6 | Spacer | |
6 | 8 | Bolt | |
7 | 2 | Bracket | |
8 | 1 | Harness As | |
9 | 2 | Cable Strap | |
10 | 1 | Seat Belt Gp | |
11 | 1 | Seat Belt Gp |
(1) | For 320D FM, 320 D 2 FM, 324D FM, 325D FM, 330D FM, 521B, 522B, 541 2, and 552 2 |
(2) | For 568 only |
(3) | Recommended for steep slope applications |
The new four-point seat belts are adaptable to the machines listed above.
Installation Instructions
Note: If seat removal is necessary, refer to Disassembly and Assembly, UENR0343, "541 Series 2 and 552 Series 2 Track Feller Bunchers Machine Systems"
- Remove and discard the hardware mounting the seat riser to the floor plate. Install two plates (2) using four washers (3) and four bolts (4). Orient the plate such that the arrow is facing toward the front of the machine. Torque bolts to
55 N·m (41 lb ft) . Refer to Illustration 1.Show/hide tableIllustration 2 g06030422 (5) 353-1896 Spacer
(6)6V-8202 Bolt - Slide the seat suspension to remove mounting hardware. Install four spacers (5) and four bolts (6). Torque bolts to
27 N·m (20 lb ft) . Refer to Illustration 2.Show/hide tableIllustration 3 g06030507 (5) 353-1896 Spacer
(6)6V-8202 Bolt
(7)316-8987 BracketShow/hide tableIllustration 4 g06030484 (A) 372-9357 Support
(B)6V-8202 Bolt - For 320D FM , 320 D 2 FM, 324D FM, 325D FM, 330D FM, 521B, 522B, 541 2, and 552 2 machines: Slide the seat top to remove mounting hardware. Remove the seat top and install new seat top. Install seat group (1a). Install loosely. Slide the seat repeatedly to ensure smooth slide travel with no binding. Torque bolts to
55 N·m (41 lb ft) .For 568 machines: Slide the seat top to remove mounting hardware. Remove the seat top and install new seat top. Remove one Support (A) and two Bolts (B) from rear of seat and save for reassembly to new seat. Refer to Illustration 4. Disconnect seat heater connector. Install seat group (1b). Install two brackets (7) and two bolts (6) at the front of the seat. Install two spacers (5) and two bolts (6) at the rear of the seat. Refer to Illustration 3. Install hardware loosely. Slide the seat repeatedly to ensure smooth slide travel with no binding. Torque bolts to
55 N·m (41 lb ft) . - For the installation of the seat belt, refer to Special Instruction , M0077734 , "Installation of Four-point Seat Belts on Certain Excavators and Track Feller Bunchers"
- For 568 machines ONLY: Install support (A) and two bolts (B) removed in Step 3. Install 491-0568 Harness As (8) by connecting to the cab lead for the seat heater and then connecting to the 12/24V converter and heater on the seat. Secure with two 3S-2093 Cable Straps.
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Illustration 1 | g06030410 |
(2) (3) (4) |