TH55FT-E70 and TH55FT-E90 Petroleum Transmissions Caterpillar

Torque Converter

Usage:

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图 1	g02780276

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表 1
269-8211 变矩器总成的技术规格
项目	数量	零件	技术规格说明
1	12	7B-3235 螺栓	拧紧至扭矩为 120 ± 15 N·m (89 ± 11 lb ft)。
2	14	0S-1618 螺栓	拧紧至扭矩为 30 ± 5 N·m (266 ± 44 lb in)。
3	2	1T-1257 弹簧	在试验力下的长度为 17.78 mm (0.70 in)。试验力为 30.74 ± 1.96 N (6.91 ± 0.44 lb)。试验后的自由长度为 27.43 mm (1.080 in)。
4	8	5P-9681 螺栓	拧紧至扭矩为 80 ± 10 N·m (59 ± 7 lb ft)。
5	1	324-6241 接头螺塞	拧紧至扭矩为 140 ± 14 N·m (103 ± 10 lb ft)。
6	1	138-3817 轴承螺母	将 Loctite C5A 铜防咬合剂涂抹在表面和螺纹上。拧紧至扭矩为 400 ± 50 N·m (295 ± 37 lb ft)。
7	1	138-4538 轴承锁紧垫圈	将轴承螺母 (6) 与垫圈上最近的舌片对齐，将舌片弯进轴承螺母 (6)。
8	12	0S-1588 螺栓	拧紧至扭矩为 50 ± 7 N·m (37 ± 5 lb ft)。
9	3	0S-1602 螺栓	拧紧至扭矩为 240 ± 25 N·m (177 ± 18 lb ft)。
10	12	1T-0720 螺栓	拧紧至扭矩为 50 ± 7 N·m (37 ± 5 lb ft)。
11	1	9M-9545 O 形密封圈	用密封的润滑剂稍稍润滑密封件。
12	四块新摩擦片和三块新盘的厚度为 29.61 ± 0.47 mm (1.166 ± 0.019 in)：
	4	336-9318 摩擦片	厚度为 4.83 ± 0.08 mm (0.190 ± 0.003 in)。
	3	1T-1897 盘	厚度为 3.43 ± 0.05 mm (0.135 ± 0.002 in)。
13	8	9M-8808 弹簧	在第一个试验力下的长度为 15.52 mm (0.611 in)。第一个试验力为 80.0 ± 2.2 N (18.0 ± 0.5 lb)。在第二个试验力下的长度为 19.89 mm (0.783 in)。第二个试验力为 30.07 ± 1.33 N (6.76 ± 0.30 lb)。试验后的自由长度为 22.53 mm (0.887 in)。
14	2	0T-0772 螺栓	拧紧至扭矩为 80 ± 10 N·m (59 ± 7 lb ft)。
15	10	6K-3771 螺栓	拧紧至扭矩为 80 ± 10 N·m (59 ± 7 lb ft)。

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图 2	g02780445
螺栓 (16) 的拧紧顺序

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表 2
16	26	1A-1135 螺栓	拧紧至扭矩为 240 ± 25 N·m (177 ± 18 lb ft)。按照以下步骤拧紧螺栓： 1. 按照数字顺序 1-8 拧紧 8 个螺栓。 2. 再按照数字顺序 9 至 34 拧紧全部 26 个螺栓。 3. 交叠起点，以确保所有螺栓都达到所要求的扭矩。

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图 3	g02780457
螺栓 (17) 的拧紧顺序

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表 3
17	30	1D-4566 螺栓	拧紧至扭矩为 135 ± 15 N·m (100 ± 11 lb ft)。按照以下步骤拧紧螺栓： 1. 按照数字顺序 1-8 拧紧 8 个螺栓。 2. 再按照数字顺序 9 至 38 拧紧全部 30 个螺栓。 3. 交叠起点，以确保所有螺栓都达到所要求的扭矩。

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